diff --git a/www/config.json b/www/config.json
index 67598bcfc6e..a4feee7519b 100644
--- a/www/config.json
+++ b/www/config.json
@@ -10,5 +10,7 @@
     "wsextservice" : "local_mobile",
     "demo_sites": {"student": {"url": "http://school.demo.moodle.net", "username": "student", "password": "moodle"}, "teacher": {"url": "http://school.demo.moodle.net", "username": "teacher", "password": "moodle"}, "cva": {"url": "http://mm.cvaconsulting.com/moodle", "username": "student", "password": "student"}},
     "gcmpn": "694767596569",
-    "customurlscheme": "moodlemobile"
+    "customurlscheme": "moodlemobile",
+    "siteurl": "",
+    "skipssoconfirmation": "false"
 }
diff --git a/www/core/components/login/services/helper.js b/www/core/components/login/services/helper.js
index fc883b09773..234dd62017f 100644
--- a/www/core/components/login/services/helper.js
+++ b/www/core/components/login/services/helper.js
@@ -104,7 +104,7 @@ angular.module('mm.core.login')
      * @return {Boolean} True if set, false otherwise.
      */
     self.isFixedUrlSet = function() {
-        return typeof mmCoreConfigConstants.siteurl != 'undefined';
+        return !!mmCoreConfigConstants.siteurl;
     };
 
     /**