diff --git a/lib/error-helper.js b/lib/error-helper.js
index 4359520090..ec53da94a2 100644
--- a/lib/error-helper.js
+++ b/lib/error-helper.js
@@ -1,9 +1,6 @@
 'use strict';
 
-const checkErrorResponse = function(badgeData, err, res, notFoundMessage) {
-  if (typeof(notFoundMessage) === 'undefined') {
-    notFoundMessage = 'not found';
-  }
+const checkErrorResponse = function(badgeData, err, res, notFoundMessage = 'not found') {
   if (err != null) {
     badgeData.text[1] = 'inaccessible';
     badgeData.colorscheme = 'red';