diff --git a/wcs/qommon/static/js/qommon.forms.js b/wcs/qommon/static/js/qommon.forms.js
index f4a95f87d..70d873c2b 100644
--- a/wcs/qommon/static/js/qommon.forms.js
+++ b/wcs/qommon/static/js/qommon.forms.js
@@ -123,9 +123,11 @@ $(function() {
     var highest_ratio = 0;
     var suggestion = null;
 
-    if (known_domains.indexOf(val_domain) > -1) {
-      // known domain, don't suggest anything.
-      $domain_hint_div.hide();
+    if (typeof val_domain === 'undefined' || known_domains.indexOf(val_domain) > -1) {
+      // domain not yet typed in, or known domain, don't suggest anything.
+      if ($domain_hint_div) {
+        $domain_hint_div.hide();
+      }
       return;
     }