diff --git a/app/services/challenge.service.js b/app/services/challenge.service.js
index 3e34806d7..b2ebdd15d 100644
--- a/app/services/challenge.service.js
+++ b/app/services/challenge.service.js
@@ -45,7 +45,7 @@
     }
 
     function getReviewEndDate(challengeId) {
-      var url = CONSTANTS.API_URL + '/phases/?filter=' + encodeURIComponent('challengeId=' + challengeId + ' & phaseType=4');
+      var url = CONSTANTS.API_URL + '/phases/?filter=' + encodeURIComponent('challengeId=' + challengeId + '&phaseType=4');
       return ApiService.requestHandler('GET', url);
     }