diff --git a/reactos/lib/sdk/crt/include/internal/mingw-w64/internal.h b/reactos/lib/sdk/crt/include/internal/mingw-w64/internal.h
index 7f58a3d540d..f3f9c18e006 100644
--- a/reactos/lib/sdk/crt/include/internal/mingw-w64/internal.h
+++ b/reactos/lib/sdk/crt/include/internal/mingw-w64/internal.h
@@ -16,6 +16,13 @@ extern "C" {
 #include <limits.h>
 #include <windows.h>
 
+#ifdef __REACTOS__
+#include "malloc.h"
+__declspec(dllimport) void __setusermatherr(int (__cdecl *)(struct _exception *));
+#define __mingw_fprintf fprintf
+#define __mingw_vfprintf vfprintf
+#endif
+
 #pragma pack(push,_CRT_PACKING)
 
 #ifndef __INTERNAL_FUNC_DEFINED
@@ -155,7 +162,7 @@ extern char ** __MINGW_IMP_SYMBOL(_wcmdln);
 #define _GUI_APP 2
 
   typedef enum __enative_startup_state {
-    __uninitialized, __initializing, __initialized
+    __uninitialized = 0, __initializing, __initialized
   } __enative_startup_state;
 
   extern volatile __enative_startup_state __native_startup_state;
diff --git a/reactos/lib/sdk/crt/msvcrtex.cmake b/reactos/lib/sdk/crt/msvcrtex.cmake
index 623f90675f9..60f92066423 100644
--- a/reactos/lib/sdk/crt/msvcrtex.cmake
+++ b/reactos/lib/sdk/crt/msvcrtex.cmake
@@ -34,6 +34,7 @@ list(APPEND MSVCRTEX_SOURCE
     startup/crt0_c.c
     startup/crt0_w.c
     startup/dllentry.c
+    startup/reactos.c
     misc/fltused.c
     misc/ofmt_stub.c
 )
diff --git a/reactos/lib/sdk/crt/startup/crtdll.c b/reactos/lib/sdk/crt/startup/crtdll.c
index 0cd1968206c..ed3a73fd51d 100644
--- a/reactos/lib/sdk/crt/startup/crtdll.c
+++ b/reactos/lib/sdk/crt/startup/crtdll.c
@@ -33,12 +33,8 @@
 #include <locale.h>
 
 extern void __cdecl _initterm(_PVFV *,_PVFV *);
-
-#if defined(__GNUC__)
-extern void __main (void);
+extern void __main ();
 extern void _pei386_runtime_relocator (void);
-#endif
-
 extern _CRTALLOC(".CRT$XIA") _PIFV __xi_a[];
 extern _CRTALLOC(".CRT$XIZ") _PIFV __xi_z[];
 extern _CRTALLOC(".CRT$XCA") _PVFV __xc_a[];
@@ -101,16 +97,19 @@ WINBOOL WINAPI _CRT_INIT (HANDLE hDllHandle, DWORD dwReason, LPVOID lpreserved)
 	    }
 	  Sleep(1000);
 	}
-      if (__native_startup_state != __uninitialized)
+      if (__native_startup_state == __initializing)
 	{
-	  _amsg_exit(31);
+	  _amsg_exit (31);
 	}
-      else
+      else if (__native_startup_state == __uninitialized)
 	{
 	  __native_startup_state = __initializing;
 	  
 	  _initterm ((_PVFV *) (void *) __xi_a, (_PVFV *) (void *) __xi_z);
-	  _initterm (__xc_a,__xc_z);
+	}
+      if (__native_startup_state == __initializing)
+	{
+	  _initterm (__xc_a, __xc_z);
 	  __native_startup_state = __initialized;
 	}
       if (! nested)
@@ -130,7 +129,7 @@ WINBOOL WINAPI _CRT_INIT (HANDLE hDllHandle, DWORD dwReason, LPVOID lpreserved)
 	{
 	  Sleep(1000);
 	}
-      if(__native_startup_state!=__initialized)
+      if (__native_startup_state != __initialized)
 	{
 	  _amsg_exit (31);
 	}
@@ -183,9 +182,7 @@ __DllMainCRTStartup (HANDLE hDllHandle, DWORD dwReason, LPVOID lpreserved)
 	retcode = FALSE;
 	goto i__leave;
     }
-#if defined(__GNUC__)
   _pei386_runtime_relocator ();
-#endif
   if (dwReason == DLL_PROCESS_ATTACH || dwReason == DLL_THREAD_ATTACH)
     {
         retcode = _CRT_INIT (hDllHandle, dwReason, lpreserved);
@@ -199,10 +196,8 @@ __DllMainCRTStartup (HANDLE hDllHandle, DWORD dwReason, LPVOID lpreserved)
 	    goto i__leave;
 	  }
     }
-#if defined(__GNUC__)
   if (dwReason == DLL_PROCESS_ATTACH)
     __main ();
-#endif
   retcode = DllMain(hDllHandle,dwReason,lpreserved);
   if (dwReason == DLL_PROCESS_ATTACH && ! retcode)
     {
diff --git a/reactos/lib/sdk/crt/startup/crtexe.c b/reactos/lib/sdk/crt/startup/crtexe.c
index 8d15e29ebc3..59b1b914ecc 100644
--- a/reactos/lib/sdk/crt/startup/crtexe.c
+++ b/reactos/lib/sdk/crt/startup/crtexe.c
@@ -20,7 +20,6 @@
 #include <tchar.h>
 #include <sect_attribs.h>
 #include <locale.h>
-#include <malloc.h>
 
 #ifndef __winitenv
 extern wchar_t *** __MINGW_IMP_SYMBOL(__winitenv);
@@ -44,8 +43,6 @@ extern void _fpreset (void);
 #define SPACECHAR _T(' ')
 #define DQUOTECHAR _T('\"')
 
-__declspec(dllimport) void __setusermatherr(int (__cdecl *)(struct _exception *));
-
 extern int * __MINGW_IMP_SYMBOL(_fmode);
 extern int * __MINGW_IMP_SYMBOL(_commode);
 
@@ -55,14 +52,6 @@ extern int * __MINGW_IMP_SYMBOL(_commode);
 #define _commode (* __MINGW_IMP_SYMBOL(_commode))
 extern int _dowildcard;
 
-#if defined(__GNUC__)
-int _MINGW_INSTALL_DEBUG_MATHERR __attribute__((weak)) = 0;
-#else
-int __declspec(selectany) _MINGW_INSTALL_DEBUG_MATHERR = 0;
-#endif
-
-extern int __defaultmatherr;
-
 extern _CRTIMP void __cdecl _initterm(_PVFV *, _PVFV *);
 
 static int __cdecl check_managed_app (void);
@@ -85,12 +74,7 @@ _TCHAR *__mingw_winmain_lpCmdLine;
 DWORD __mingw_winmain_nShowCmd;
 
 static int argc;
-
-#if defined(__GNUC__)
 extern void __main(void);
-extern void _pei386_runtime_relocator (void);
-#endif
-
 #ifdef WPRFLAG
 static wchar_t **argv;
 static wchar_t **envp;
@@ -106,7 +90,7 @@ static int has_cctor = 0;
 static _startupinfo startinfo;
 extern LPTOP_LEVEL_EXCEPTION_FILTER __mingw_oldexcpt_handler;
 
-
+extern void _pei386_runtime_relocator (void);
 long CALLBACK _gnu_exception_handler (EXCEPTION_POINTERS * exception_data);
 #ifdef WPRFLAG
 static void duplicate_ppstrings (int ac, wchar_t ***av);
@@ -117,8 +101,10 @@ static void duplicate_ppstrings (int ac, char ***av);
 static int __cdecl pre_c_init (void);
 static void __cdecl pre_cpp_init (void);
 static void __cdecl __mingw_prepare_except_for_msvcr80_and_higher (void);
-_CRTALLOC(".CRT$XIAA") _PIFV __declspec(selectany) mingw_pcinit = pre_c_init;
-_CRTALLOC(".CRT$XCAA") _PVFV __declspec(selectany) mingw_pcppinit = pre_cpp_init;
+_CRTALLOC(".CRT$XIAA") _PIFV mingw_pcinit = pre_c_init;
+_CRTALLOC(".CRT$XCAA") _PVFV mingw_pcppinit = pre_cpp_init;
+
+extern int _MINGW_INSTALL_DEBUG_MATHERR;
 
 static int __cdecl
 pre_c_init (void)
@@ -138,7 +124,7 @@ pre_c_init (void)
 #else
   _setargv();
 #endif
-  if (_MINGW_INSTALL_DEBUG_MATHERR)
+  if (_MINGW_INSTALL_DEBUG_MATHERR == 1)
     {
       __setusermatherr (_matherr);
     }
@@ -224,13 +210,15 @@ __tmainCRTStartup (void)
   WINBOOL inDoubleQuote = FALSE;
   memset (&StartupInfo, 0, sizeof (STARTUPINFO));
 
-#if !defined(_WIN64) && defined(__GNUC__)
+#ifndef _WIN64
   /* We need to make sure that this function is build with frame-pointer
      and that we align the stack to 16 bytes for the sake of SSE ops in main
      or in functions inlined into main.  */
   lpszCommandLine = (_TCHAR *) alloca (32);
   memset (lpszCommandLine, 0xcc, 32);
+#ifdef __GNUC__
   asm  __volatile__  ("andl $-16, %%esp" : : : "%esp");
+#endif
 #endif
 
   if (mingw_app_type)
@@ -269,19 +257,17 @@ __tmainCRTStartup (void)
     _ASSERTE(__native_startup_state == __initialized);
     if (! nested)
       (VOID)InterlockedExchangePointer ((volatile PVOID *) &__native_startup_lock, 0);
-    
+
     if (__dyn_tls_init_callback != NULL)
       __dyn_tls_init_callback (NULL, DLL_THREAD_ATTACH, NULL);
-    
-#if defined(__GNUC__)
+
     _pei386_runtime_relocator ();
-#endif
     __mingw_oldexcpt_handler = SetUnhandledExceptionFilter (_gnu_exception_handler);
-#if defined(_WIN64) && !defined(_MSC_VER)
+#ifdef _WIN64
     __mingw_init_ehandler ();
 #endif
     __mingw_prepare_except_for_msvcr80_and_higher ();
-    
+
     _fpreset ();
 
     if (mingw_app_type)
@@ -313,9 +299,7 @@ __tmainCRTStartup (void)
 				    StartupInfo.wShowWindow : SW_SHOWDEFAULT;
       }
     duplicate_ppstrings (argc, &argv);
-#if defined(__GNUC__)
     __main ();
-#endif
 #ifdef WPRFLAG
     __winitenv = envp;
     /* C++ initialization.
@@ -395,7 +379,7 @@ static void duplicate_ppstrings (int ac, wchar_t ***av)
 	avl=*av;
 	for (i=0; i < ac; i++)
 	  {
-		int l = wbytelen (avl[i]);
+		size_t l = wbytelen (avl[i]);
 		n[i] = (wchar_t *) malloc (l);
 		memcpy (n[i], avl[i], l);
 	  }
@@ -408,11 +392,11 @@ static void duplicate_ppstrings (int ac, char ***av)
 	char **avl;
 	int i;
 	char **n = (char **) malloc (sizeof (char *) * (ac + 1));
-	
+
 	avl=*av;
 	for (i=0; i < ac; i++)
 	  {
-		int l = strlen (avl[i]) + 1;
+		size_t l = strlen (avl[i]) + 1;
 		n[i] = (char *) malloc (l);
 		memcpy (n[i], avl[i], l);
 	  }
@@ -439,21 +423,14 @@ __mingw_invalidParameterHandler (const wchar_t * __UNUSED_PARAM_1(expression),
 #endif
 }
 
-static void __cdecl 
+HANDLE __mingw_get_msvcrt_handle(void);
+
+static void __cdecl
 __mingw_prepare_except_for_msvcr80_and_higher (void)
 {
   _invalid_parameter_handler (*fIPH)(_invalid_parameter_handler) = NULL;
-  HMODULE hmsv = GetModuleHandleA ("msvcr80.dll");
-  if(!hmsv)
-    hmsv = GetModuleHandleA ("msvcr70.dll");
-  if (!hmsv)
-    hmsv = GetModuleHandleA ("msvcrt.dll");
-  if (!hmsv)
-    hmsv = LoadLibraryA ("msvcrt.dll");
-  if (!hmsv)
-    return;
-  fIPH = (_invalid_parameter_handler (*)(_invalid_parameter_handler))
-    GetProcAddress (hmsv, "_set_invalid_parameter_handler");
+
+  fIPH = (void*)GetProcAddress (__mingw_get_msvcrt_handle(), "_set_invalid_parameter_handler");
   if (fIPH)
     (*fIPH)(__mingw_invalidParameterHandler);
 }
diff --git a/reactos/lib/sdk/crt/startup/gs_support.c b/reactos/lib/sdk/crt/startup/gs_support.c
index 8151fc3b542..17d95420760 100644
--- a/reactos/lib/sdk/crt/startup/gs_support.c
+++ b/reactos/lib/sdk/crt/startup/gs_support.c
@@ -97,10 +97,10 @@ __security_init_cookie (void)
 #define _AddressOfReturnAddress()	__builtin_frame_address (0)
 #endif /* __GNUC__ */
 
-__declspec(noreturn) void __cdecl __report_gsfailure (ULONGLONG);
+__declspec(noreturn) void __cdecl __report_gsfailure (ULONG_PTR);
 
 __declspec(noreturn) void __cdecl
-__report_gsfailure (ULONGLONG StackCookie)
+__report_gsfailure (ULONG_PTR StackCookie)
 {
   volatile UINT_PTR cookie[2] __MINGW_ATTRIB_UNUSED;
 #ifdef _WIN64
diff --git a/reactos/lib/sdk/crt/startup/merr.c b/reactos/lib/sdk/crt/startup/merr.c
index 2728cdbcf6d..d1fce73fc24 100644
--- a/reactos/lib/sdk/crt/startup/merr.c
+++ b/reactos/lib/sdk/crt/startup/merr.c
@@ -8,8 +8,6 @@
 #include <math.h>
 #include <stdio.h>
 
-int __defaultmatherr = 0;
-
 typedef int (__cdecl *fUserMathErr)(struct _exception *);
 static fUserMathErr stUserMathErr;
 
@@ -20,7 +18,7 @@ void __mingw_raise_matherr (int typ, const char *name, double a1, double a2,
   if (!stUserMathErr)
     return;
   ex.type = typ;
-  ex.name = name;
+  ex.name = (char*)name;
   ex.arg1 = a1;
   ex.arg2 = a2;
   ex.retval = rslt;
@@ -71,7 +69,7 @@ _matherr (struct _exception *pexcept)
 	break;
     }
 
-  fprintf(stderr, "_matherr(): %s in %s(%g, %g)  (retval=%g)\n", 
+  __mingw_fprintf (stderr, "_matherr(): %s in %s(%g, %g)  (retval=%g)\n", 
 	  type, pexcept->name, pexcept->arg1, pexcept->arg2, pexcept->retval);
   return 0;
 }
diff --git a/reactos/lib/sdk/crt/startup/mscmain.c b/reactos/lib/sdk/crt/startup/mscmain.c
index 5c97b67f87b..11454dbcf24 100644
--- a/reactos/lib/sdk/crt/startup/mscmain.c
+++ b/reactos/lib/sdk/crt/startup/mscmain.c
@@ -7,20 +7,24 @@
 #include <windows.h>
 #include <stdlib.h>
 
-int __mingw_init_ehandler (void)
+void _pei386_runtime_relocator(void)
+{
+}
+
+int __mingw_init_ehandler(void)
 {
     /* Nothing to do */
     return 1;
 }
 
 void
-__do_global_dtors (void)
+__do_global_dtors(void)
 {
 
 }
 
 void
-__do_global_ctors (void)
+__do_global_ctors(void)
 {
 
 }
@@ -35,7 +39,7 @@ _CRT_INIT0(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpReserved)
 static int initialized = 0;
 
 void
-__main (void)
+__main(void)
 {
     if (!initialized)
     {
diff --git a/reactos/lib/sdk/crt/startup/pesect.c b/reactos/lib/sdk/crt/startup/pesect.c
index c24061fbe61..8f49e6b0e67 100644
--- a/reactos/lib/sdk/crt/startup/pesect.c
+++ b/reactos/lib/sdk/crt/startup/pesect.c
@@ -10,8 +10,8 @@
 #if defined (_WIN64) && defined (__ia64__)
 #error FIXME: Unsupported __ImageBase implementation.
 #else
+#ifdef __GNUC__
 /* Hack, for bug in ld.  Will be removed soon.  */
-#ifndef _MSC_VER
 #define __ImageBase __MINGW_LSYMBOL(_image_base__)
 #endif
 /* This symbol is defined by the linker.  */
@@ -184,3 +184,75 @@ _IsNonwritableInCurrentImage (PBYTE pTarget)
     return FALSE;
   return (pSection->Characteristics & IMAGE_SCN_MEM_WRITE) == 0;
 }
+
+const char *
+__mingw_enum_import_library_names (int);
+
+const char *
+__mingw_enum_import_library_names (int i)
+{
+  PBYTE pImageBase;
+  PIMAGE_NT_HEADERS pNTHeader;
+  PIMAGE_IMPORT_DESCRIPTOR importDesc;
+  PIMAGE_SECTION_HEADER pSection;
+  DWORD importsStartRVA;
+
+  pImageBase = (PBYTE) &__ImageBase;
+  if (! _ValidateImageBase (pImageBase))
+    return NULL;
+
+  pNTHeader = (PIMAGE_NT_HEADERS) (pImageBase + ((PIMAGE_DOS_HEADER) pImageBase)->e_lfanew);
+  
+  importsStartRVA = pNTHeader->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT].VirtualAddress;
+  if (!importsStartRVA)
+    return NULL;
+
+  pSection = _FindPESection (pImageBase, importsStartRVA);
+  if (!pSection)
+      return NULL;
+
+  importDesc = (PIMAGE_IMPORT_DESCRIPTOR) (pImageBase + importsStartRVA);
+  if (!importDesc)
+    return NULL;
+            
+  for (;;)
+    {
+      if (importDesc->TimeDateStamp == 0 && importDesc->Name == 0)
+        break;
+
+      if (i <= 0)
+       return (char *) (pImageBase + importDesc->Name);
+      --i;
+      importDesc++;
+    }
+
+  return NULL;
+}
+
+HMODULE __mingw_get_msvcrt_handle(void);
+HMODULE __mingw_get_msvcrt_handle(void)
+{
+    static HANDLE msvcrt_handle;
+
+    if(!msvcrt_handle) {
+        const char *lib_name;
+        int i = 0;
+
+        while ((lib_name = __mingw_enum_import_library_names (i++))) {
+            if((lib_name[0] == 'm' || lib_name[0] == 'M')
+               && (lib_name[1] == 's' || lib_name[1] == 'S')
+               && (lib_name[2] == 'v' || lib_name[2] == 'V')
+               && (lib_name[3] == 'c' || lib_name[3] == 'C')
+               && (lib_name[4] == 'r' || lib_name[4] == 'R')
+               && (lib_name[5] == 't' || lib_name[5] == 'T' || ('0' <= lib_name[5] && lib_name[5] <= '9')))
+                break;
+        }
+
+       if(lib_name)
+            msvcrt_handle = GetModuleHandleA(lib_name);
+        if(!msvcrt_handle)
+            msvcrt_handle = LoadLibraryW(L"msvcrt.dll");
+    }
+
+    return msvcrt_handle;
+}
diff --git a/reactos/lib/sdk/crt/startup/pseudo-reloc.c b/reactos/lib/sdk/crt/startup/pseudo-reloc.c
index b88e37e7846..a6edafbaaff 100644
--- a/reactos/lib/sdk/crt/startup/pseudo-reloc.c
+++ b/reactos/lib/sdk/crt/startup/pseudo-reloc.c
@@ -3,7 +3,7 @@
    Contributed by Egor Duda  <deo@logos-m.ru>
    Modified by addition of runtime_pseudo_reloc version 2
    by Kai Tietz  <kai.tietz@onevision.com>
-	
+
    THIS SOFTWARE IS NOT COPYRIGHTED
 
    This source code is offered for use in the public domain. You may
@@ -20,7 +20,7 @@
 #include <stdlib.h>
 #include <stdarg.h>
 #include <memory.h>
-#include <malloc.h>
+#include <internal.h>
 
 #if defined(__CYGWIN__)
 #include <wchar.h>
@@ -146,11 +146,12 @@ __report_error (const char *msg, ...)
   va_list argp;
   va_start (argp, msg);
 # ifdef __MINGW64_VERSION_MAJOR
-  fprintf (stderr, "Mingw-w64 runtime failure:\n");
+  __mingw_fprintf (stderr, "Mingw-w64 runtime failure:\n");
+  __mingw_vfprintf (stderr, msg, argp);
 # else
   fprintf (stderr, "Mingw runtime failure:\n");
-# endif
   vfprintf (stderr, msg, argp);
+#endif
   va_end (argp);
   abort ();
 #endif
@@ -206,8 +207,13 @@ mark_section_writable (LPVOID addr)
     }
 
   if (b.Protect != PAGE_EXECUTE_READWRITE && b.Protect != PAGE_READWRITE)
-    VirtualProtect (b.BaseAddress, b.RegionSize, PAGE_EXECUTE_READWRITE,
-		  &the_secs[i].old_protect);
+    {
+      if (!VirtualProtect (b.BaseAddress, b.RegionSize,
+			   PAGE_EXECUTE_READWRITE,
+			   &the_secs[i].old_protect))
+	__report_error ("  VirtualProtect failed with code 0x%x",
+	  (int) GetLastError ());
+    }
   ++maxSections;
   return;
 }
@@ -253,15 +259,17 @@ restore_modified_sections (void)
 static void
 __write_memory (void *addr, const void *src, size_t len)
 {
-#ifndef __MINGW64_VERSION_MAJOR
   MEMORY_BASIC_INFORMATION b;
   DWORD oldprot;
-#endif /* ! __MINGW64_VERSION_MAJOR */
+  int call_unprotect = 0;
 
   if (!len)
     return;
 
-#ifndef __MINGW64_VERSION_MAJOR
+#ifdef __MINGW64_VERSION_MAJOR
+  mark_section_writable ((LPVOID) addr);
+#endif
+
   if (!VirtualQuery (addr, &b, sizeof(b)))
     {
       __report_error ("  VirtualQuery failed for %d bytes at address %p",
@@ -270,19 +278,17 @@ __write_memory (void *addr, const void *src, size_t len)
 
   /* Temporarily allow write access to read-only protected memory.  */
   if (b.Protect != PAGE_EXECUTE_READWRITE && b.Protect != PAGE_READWRITE)
-    VirtualProtect (b.BaseAddress, b.RegionSize, PAGE_EXECUTE_READWRITE,
-		    &oldprot);
-#else /* ! __MINGW64_VERSION_MAJOR */
-  mark_section_writable ((LPVOID) addr);
-#endif  /* __MINGW64_VERSION_MAJOR */
+    {
+      call_unprotect = 1;
+      VirtualProtect (b.BaseAddress, b.RegionSize, PAGE_EXECUTE_READWRITE,
+		      &oldprot);
+    }
 
   /* write the data. */
   memcpy (addr, src, len);
   /* Restore original protection. */
-#ifndef __MINGW64_VERSION_MAJOR
-  if (b.Protect != PAGE_EXECUTE_READWRITE && b.Protect != PAGE_READWRITE)
+  if (call_unprotect && b.Protect != PAGE_EXECUTE_READWRITE && b.Protect != PAGE_READWRITE)
     VirtualProtect (b.BaseAddress, b.RegionSize, oldprot, &oldprot);
-#endif /* !__MINGW64_VERSION_MAJOR */
 }
 
 #define RP_VERSION_V1 0
diff --git a/reactos/lib/sdk/crt/startup/reactos.c b/reactos/lib/sdk/crt/startup/reactos.c
new file mode 100644
index 00000000000..34d8c9da985
--- /dev/null
+++ b/reactos/lib/sdk/crt/startup/reactos.c
@@ -0,0 +1,3 @@
+
+int _MINGW_INSTALL_DEBUG_MATHERR = 0;
+
diff --git a/reactos/lib/sdk/crt/startup/tlsmcrt.c b/reactos/lib/sdk/crt/startup/tlsmcrt.c
index 1110b3b81d0..2450b8b9216 100644
--- a/reactos/lib/sdk/crt/startup/tlsmcrt.c
+++ b/reactos/lib/sdk/crt/startup/tlsmcrt.c
@@ -10,3 +10,4 @@
  otherwise
    we do tls cleanup in runtime and _CRT_MT has value 2.  */
 int _CRT_MT = 2;
+
diff --git a/reactos/lib/sdk/crt/startup/wcrtexe.c b/reactos/lib/sdk/crt/startup/wcrtexe.c
index d7556a61462..cf623754a01 100644
--- a/reactos/lib/sdk/crt/startup/wcrtexe.c
+++ b/reactos/lib/sdk/crt/startup/wcrtexe.c
@@ -9,5 +9,7 @@
 #define _UNICODE
 #define mainCRTStartup wmainCRTStartup
 #define WinMainCRTStartup wWinMainCRTStartup
+#define mingw_pcinit mingw_pwcinit
+#define mingw_pcppinit mingw_pwcppinit
 
 #include "crtexe.c"