diff --git a/ui/jquery.ui.slider.js b/ui/jquery.ui.slider.js
index ea93c3e1c..f0b01d7c0 100644
--- a/ui/jquery.ui.slider.js
+++ b/ui/jquery.ui.slider.js
@@ -576,7 +576,7 @@ $.widget( "ui.slider", $.ui.mouse, {
 			return this._valueMax();
 		}
 		var step = ( this.options.step > 0 ) ? this.options.step : 1,
-			valModStep = (val - this._valueMin()) % step;
+			valModStep = (val - this._valueMin()) % step,
 			alignValue = val - valModStep;
 
 		if ( Math.abs(valModStep) * 2 >= step ) {