diff --git a/muk_web_utils/static/src/js/underscore.js b/muk_web_utils/static/src/js/underscore.js
index 3ae879c..82f634b 100644
--- a/muk_web_utils/static/src/js/underscore.js
+++ b/muk_web_utils/static/src/js/underscore.js
@@ -17,7 +17,7 @@
 *
 **********************************************************************************/
 
-__.mixin({
+_.mixin({
 	memoizeDebounce: function(func, wait, options) {
 		wait = (typeof wait !== 'undefined') ? wait : 0;
 		options = (typeof options !== 'undefined') ? options : {};