diff --git a/src/adapters/adapter.moment.js b/src/adapters/adapter.moment.js
index e028b52f3ae..5d7c1f3103d 100644
--- a/src/adapters/adapter.moment.js
+++ b/src/adapters/adapter.moment.js
@@ -18,7 +18,7 @@ var FORMATS = {
 	year: 'YYYY'
 };
 
-adapters._date.override(moment ? {
+adapters._date.override(typeof moment === 'function' ? {
 	_id: 'moment', // DEBUG ONLY
 
 	formats: function() {