diff --git a/bigbluebutton-html5/imports/api/users/server/store/pendingAuthentications.js b/bigbluebutton-html5/imports/api/users/server/store/pendingAuthentications.js
index c181ac8f9585e0e08ba1551ceb3ba4e55d9d3568..44376cc085642695893b1476a6c3948d69eb72ed 100644
--- a/bigbluebutton-html5/imports/api/users/server/store/pendingAuthentications.js
+++ b/bigbluebutton-html5/imports/api/users/server/store/pendingAuthentications.js
@@ -13,7 +13,7 @@ class PendingAuthentitcations {
         authToken = authToken.replace(/ /g, '');
 
         // Space separated key
-        return '${meetingId} ${userId} ${authToken}';
+        return `${meetingId} ${userId} ${authToken}`;
     }
 
     add (meetingId, userId, authToken, methodInvocationObject) {