diff --git a/asset/js/coursepress-unitsbuilder.js b/asset/js/coursepress-unitsbuilder.js
index fdf9830c..bca214cc 100644
--- a/asset/js/coursepress-unitsbuilder.js
+++ b/asset/js/coursepress-unitsbuilder.js
@@ -1453,10 +1453,11 @@ var CoursePress = CoursePress || {};
 		},
 		fetchModules: function( unit_id, page ) {
 
+			var units_builder = this;
 			this.module_collection.url = _coursepress._ajax_url + '?action=unit_builder&task=modules&course_id=' + _coursepress.course_id + '&unit_id=' + unit_id + '&page=' + page;
 			this.module_collection.fetch({
 				success: function() {
-					this.$('.unit-save-button').removeClass( 'disabled' );
+					units_builder.$('.unit-save-button').removeClass( 'disabled' );
 				}
 			});
 			// Get the number of pages