diff --git a/sdk/include/reactos/wine/unicode.h b/sdk/include/reactos/wine/unicode.h
index 2550cf40653..5bf341ef74d 100644
--- a/sdk/include/reactos/wine/unicode.h
+++ b/sdk/include/reactos/wine/unicode.h
@@ -24,6 +24,12 @@
 #define WINE_UNICODE_INLINE static inline
 #endif
 
+#if (_WIN32_WINNT < _WIN32_WINNT_VISTA) || (DLL_EXPORT_VERSION < _WIN32_WINNT_VISTA)
+/* msvcrt versions incompatibilities */
+#define _swprintf(s,f,...) _snwprintf((s),MAXLONG,(f),##__VA_ARGS__)
+#define _vswprintf(s,f,v) _vsnwprintf((s),MAXLONG,(f),(v))
+#endif
+
 #define memicmpW(s1,s2,n) _wcsnicmp((s1),(s2),(n))
 #define strlenW(s) wcslen((s))
 #define strcpyW(d,s) wcscpy((d),(s))
@@ -55,8 +61,8 @@
 #define atolW(s) _wtol((s))
 #define strlwrW(s) _wcslwr((s))
 #define struprW(s) _wcsupr((s))
-#define sprintfW swprintf
-#define vsprintfW vswprintf
+#define sprintfW _swprintf
+#define vsprintfW _vswprintf
 #define snprintfW _snwprintf
 #define vsnprintfW _vsnwprintf
 #define isprintW iswprint