diff --git a/ui/jquery.effects.bounce.js b/ui/jquery.effects.bounce.js
index 550f433b9b..f1093839f5 100644
--- a/ui/jquery.effects.bounce.js
+++ b/ui/jquery.effects.bounce.js
@@ -53,7 +53,7 @@ $.effects.effect.bounce = function(o) {
 
 		// default distance for the BIGGEST bounce is the outer Distance / 3
 		if ( !distance ) {
-			distance = el[ ref === "top" ? "outerHeight" : "outerWidth" ]({ margin:true }) / 3;
+			distance = el[ ref === "top" ? "outerHeight" : "outerWidth" ]() / 3;
 		}
 
 		if ( show ) {