diff --git a/src/effects.js b/src/effects.js
index 6c2d12a2ab..fee697da81 100644
--- a/src/effects.js
+++ b/src/effects.js
@@ -421,7 +421,7 @@ jQuery.fx.prototype = {
 				};
 				requestAnimationFrame( raf );
 			} else {
-				timerId = setInterval( fx.tick, 16.6 );
+				timerId = setInterval( fx.tick, 16 );
 			}
 		}
 	},