diff --git a/reactos/dll/win32/mapi32/sendmail.c b/reactos/dll/win32/mapi32/sendmail.c
index a92fe64b30c..eb954a504cb 100644
--- a/reactos/dll/win32/mapi32/sendmail.c
+++ b/reactos/dll/win32/mapi32/sendmail.c
@@ -27,7 +27,6 @@
 #include "windef.h"
 #include "winbase.h"
 #include "winerror.h"
-#include "winnls.h"
 #include "objbase.h"
 #include "mapi.h"
 #include "winreg.h"
diff --git a/reactos/dll/win32/mapi32/util.c b/reactos/dll/win32/mapi32/util.c
index edfeab52c7b..6621e6f35bc 100644
--- a/reactos/dll/win32/mapi32/util.c
+++ b/reactos/dll/win32/mapi32/util.c
@@ -656,7 +656,7 @@ UINT WINAPI UFromSz(LPCSTR lpszStr)
         while (*lpszStr >= '0' && *lpszStr <= '9')
         {
             ulRet = ulRet * 10 + (*lpszStr - '0');
-            lpszStr = CharNextA(lpszStr);
+            lpszStr++;
         }
     }
     return ulRet;