diff --git a/public_html/js/Presenters/TagListPresenter.js b/public_html/js/Presenters/TagListPresenter.js
index d8bea4f0..3aed72e9 100644
--- a/public_html/js/Presenters/TagListPresenter.js
+++ b/public_html/js/Presenters/TagListPresenter.js
@@ -10,6 +10,8 @@ App.Presenters.TagListPresenter = function(
pagerPresenter,
topNavigationPresenter) {
+ var KEY_RETURN = 13;
+
var $el = jQuery('#content');
var $searchInput;
var templates = {};