diff --git a/gst/videoscale/vs_4tap.c b/gst/videoscale/vs_4tap.c
index c41419a5bc..ffe96aae82 100644
--- a/gst/videoscale/vs_4tap.c
+++ b/gst/videoscale/vs_4tap.c
@@ -44,7 +44,7 @@
 #define M_PI  3.14159265358979323846
 #endif
 
-#ifdef WIN32
+#ifdef _MSC_VER
 #define rint(x) (floor((x)+0.5))
 #endif