diff --git a/gm/shadows.cpp b/gm/shadows.cpp
index e9274c7..2fb1615 100644
--- a/gm/shadows.cpp
+++ b/gm/shadows.cpp
@@ -95,7 +95,7 @@
 
         paint.setLooper(shadowLoopers[i]);
 
-        canvas->translate(SkIntToScalar(i*40), SkIntToScalar(0));
+        canvas->translate(SkIntToScalar((unsigned int)i*40), SkIntToScalar(0));
         setup(&paint, gRec[0].fColor, gRec[0].fStrokeWidth);
         canvas->drawRect(fRect, paint);