diff --git a/ui/widgets/dialog.js b/ui/widgets/dialog.js
index c3ca95ed3..1bbb3fcd2 100644
--- a/ui/widgets/dialog.js
+++ b/ui/widgets/dialog.js
@@ -372,12 +372,14 @@ $.widget( "ui.dialog", {
 					first = tabbables.filter( ":first" ),
 					last = tabbables.filter( ":last" );
 
-				if ( ( event.target === last[ 0 ] || event.target === this.uiDialog[ 0 ] ) && !event.shiftKey ) {
+				if ( ( event.target === last[ 0 ] || event.target === this.uiDialog[ 0 ] ) &&
+						!event.shiftKey ) {
 					this._delay( function() {
 						first.trigger( "focus" );
 					} );
 					event.preventDefault();
-				} else if ( ( event.target === first[ 0 ] || event.target === this.uiDialog[ 0 ] ) && event.shiftKey ) {
+				} else if ( ( event.target === first[ 0 ] ||
+						event.target === this.uiDialog[ 0 ] ) && event.shiftKey ) {
 					this._delay( function() {
 						last.trigger( "focus" );
 					} );