1 files changed, 6 insertions, 2 deletions
diff --git a/core/misc/dialog/dialog.jquery-ui.js b/core/misc/dialog/dialog.jquery-ui.js
index 246855c96df9..2077e23ed782 100644
--- a/core/misc/dialog/dialog.jquery-ui.js
+++ b/core/misc/dialog/dialog.jquery-ui.js
@@ -13,9 +13,10 @@
     },
     _createButtons: function _createButtons() {
       var opts = this.options;
-      var primaryIndex = void 0;
-      var index = void 0;
+      var primaryIndex;
+      var index;
       var il = opts.buttons.length;
+
       for (index = 0; index < il; index++) {
         if (opts.buttons[index].primary && opts.buttons[index].primary === true) {
           primaryIndex = index;
@@ -23,8 +24,11 @@
           break;
         }
       }
+
       this._super();
+
       var $buttons = this.uiButtonSet.children().addClass(opts.buttonClass);
+
       if (typeof primaryIndex !== 'undefined') {
         $buttons.eq(index).addClass(opts.buttonPrimaryClass);
       }