diff --git a/wcs/qommon/static/js/qommon.forms.js b/wcs/qommon/static/js/qommon.forms.js
index 847675caa..f4a95f87d 100644
--- a/wcs/qommon/static/js/qommon.forms.js
+++ b/wcs/qommon/static/js/qommon.forms.js
@@ -108,9 +108,13 @@ $(function() {
     });
   }
   // common domains we want to offer suggestions for.
-  var well_known_domains = WCS_WELL_KNOWN_DOMAINS;
+  var well_known_domains = Array();
   // existing domains we know but don't want to use in suggestion engine.
-  var known_domains = WCS_VALID_KNOWN_DOMAINS;
+  var known_domains = Array();
+  if (typeof WCS_WELL_KNOWN_DOMAINS !== 'undefined') {
+    var well_known_domains = WCS_WELL_KNOWN_DOMAINS;
+    var known_domains = WCS_VALID_KNOWN_DOMAINS;
+  }
   $('input[type=email]').on('change wcs:change', function() {
     var $email_input = $(this);
     var val = $email_input.val();