diff --git a/static/js/services/util-service.js b/static/js/services/util-service.js
index 8a233de63..760d7a372 100644
--- a/static/js/services/util-service.js
+++ b/static/js/services/util-service.js
@@ -75,7 +75,8 @@ angular.module('quay').factory('UtilService', ['$sanitize', function($sanitize)
   };
 
   utilService.escapeHtmlString = function(text) {
-    var adjusted = text.replace(/&/g, "&")
+    var textStr = (text || '').toString();
+    var adjusted = textStr.replace(/&/g, "&")
       .replace(/</g, "&lt;")
       .replace(/>/g, "&gt;")
       .replace(/"/g, "&quot;")