diff --git a/static/js/services/ui-service.js b/static/js/services/ui-service.js
index 792f8ad11..32a2acd24 100644
--- a/static/js/services/ui-service.js
+++ b/static/js/services/ui-service.js
@@ -47,6 +47,7 @@ angular.module('quay').factory('UIService', ['$timeout', '$rootScope', '$locatio
   CheckStateController.prototype.buildMap_ = function() {
     var that = this;
     this.checked.forEach(function(item) {
+      if (item == null) { return; }
       that.checkedMap[item[that.itemKey]] = true;
     });
   };