diff --git a/samples/polar-area.html b/samples/polar-area.html
index f51664e5e..ae21e1d44 100644
--- a/samples/polar-area.html
+++ b/samples/polar-area.html
@@ -75,7 +75,8 @@
               reverse: false
             },
             animation: {
-                animateRotate: false
+                animateRotate: false,
+                animateScale: true
             }
         }
     };