diff --git a/uppsrc/Core/Util.h b/uppsrc/Core/Util.h
index e9d962394..9fe66e29e 100644
--- a/uppsrc/Core/Util.h
+++ b/uppsrc/Core/Util.h
@@ -13,7 +13,7 @@ class TimeStop : Moveable<TimeStop> {
 	dword starttime;
 
 public:
-	int    Elapsed() const           { return GetTickCount() - starttime; }
+	dword  Elapsed() const           { return GetTickCount() - starttime; }
 	String ToString() const;
 	void   Reset();