diff --git a/reactos/dll/win32/advapi32/misc/dllmain.c b/reactos/dll/win32/advapi32/misc/dllmain.c
index ec598f761cf..3a7fb98592a 100644
--- a/reactos/dll/win32/advapi32/misc/dllmain.c
+++ b/reactos/dll/win32/advapi32/misc/dllmain.c
@@ -17,10 +17,10 @@ extern BOOL RegInitialize(VOID);
 extern BOOL RegCleanup(VOID);
 extern VOID UnloadNtMarta(VOID);
 
-INT STDCALL
-DllMain(PVOID hinstDll,
-    ULONG dwReason,
-    PVOID reserved)
+BOOL STDCALL
+DllMain(HINSTANCE hinstDll,
+    DWORD dwReason,
+    LPVOID reserved)
 {
     switch (dwReason)
     {