diff --git a/src/common/stopwatch.cpp b/src/common/stopwatch.cpp
index 2db111c612..ed4987fc09 100644
--- a/src/common/stopwatch.cpp
+++ b/src/common/stopwatch.cpp
@@ -193,6 +193,9 @@ long wxGetLocalTime()
 // Get UTC time as seconds since 00:00:00, Jan 1st 1970
 long wxGetUTCTime()
 {
+#ifdef _MSC_VER
+	unsigned
+#endif
     long timenow = 0;
     time(&timenow);
     return timenow;