diff --git a/winpr/include/winpr/string.h b/winpr/include/winpr/string.h
index 65cdc5549..d35728b1d 100644
--- a/winpr/include/winpr/string.h
+++ b/winpr/include/winpr/string.h
@@ -153,7 +153,7 @@ WINPR_API int lstrcmpW(LPCWSTR lpString1, LPCWSTR lpString2);
 #endif
 
 #define	 sprintf_s	snprintf
-#define _scprintf(_fmt, …) snprintf(NULL, 0, _fmt, ## __VAR_ARGS__)
+#define _scprintf(_fmt, ...) snprintf(NULL, 0, _fmt, ## __VA_ARGS__)
 
 /* Unicode Conversion */