diff --git a/reactos/include/reactos/wine/winnt.h b/reactos/include/reactos/wine/winnt.h
index 4bfa2e7761b..a2efb693b1d 100644
--- a/reactos/include/reactos/wine/winnt.h
+++ b/reactos/include/reactos/wine/winnt.h
@@ -23,6 +23,12 @@
 
 #include_next <winnt.h>
 
+#if defined(__GNUC__) && ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 3)))
+#define __WINE_ALLOC_SIZE(x) __attribute__((__alloc_size__(x)))
+#else
+#define __WINE_ALLOC_SIZE(x)
+#endif
+
 /* non standard; keep the number high enough (but < 0xff) */
 #define LANG_ESPERANTO                   0x8f
 #define LANG_WALON                       0x90