diff --git a/javascript/WidgetAreaEditor.js b/javascript/WidgetAreaEditor.js
index 644b8139..71b57469 100644
--- a/javascript/WidgetAreaEditor.js
+++ b/javascript/WidgetAreaEditor.js
@@ -64,6 +64,9 @@ WidgetAreaEditorClass.prototype = {
 		this.name = this.getAttribute('name');
 
 		var monkeyWith = function(widgets, name) {
+			if (!widgets) {
+				return;
+			}
 			for(var i = 0; i < widgets.length; i++) {
 				widget = widgets[i];
 				if (!widget.getAttribute('rewritten') && (widget.id || widget.name)) {