diff --git a/reactos/dll/opengl/mesa/main/vsnprintf.c b/reactos/dll/opengl/mesa/main/vsnprintf.c
index ab6c740d772..343a360724b 100644
--- a/reactos/dll/opengl/mesa/main/vsnprintf.c
+++ b/reactos/dll/opengl/mesa/main/vsnprintf.c
@@ -150,15 +150,16 @@ snprintf(str, n, fmt, va_alist)
 	va_dcl
 #endif
 {
+	int nchar;
 	va_list ap;
 #if __STDC__
 	va_start(ap, fmt);
 #else
 	va_start(ap);
 #endif
-
-	return (vsnprintf(str, n, fmt, ap));
+	nchar = vsnprintf(str, n, fmt, ap)
 	va_end(ap);
+	return (nchar);
 }