diff --git a/bitbake/lib/toaster/toastergui/static/js/libtoaster.js b/bitbake/lib/toaster/toastergui/static/js/libtoaster.js
index c9ff6507ef..587f51fff9 100644
--- a/bitbake/lib/toaster/toastergui/static/js/libtoaster.js
+++ b/bitbake/lib/toaster/toastergui/static/js/libtoaster.js
@@ -15,6 +15,8 @@ var libtoaster = (function (){
    *  arg of the item.
    */
   function _makeTypeahead (jQElement, xhrUrl, xhrParams, selectedCB) {
+    if (!xhrUrl || xhrUrl.length === 0)
+      throw("No url to typeahead supplied");
 
     jQElement.typeahead({
         source: function(query, process){