diff --git a/frontend-js/testFiles/plugin-invalid/unclean-unregister.js b/frontend-js/testFiles/plugin-invalid/unclean-unregister.js
index a7c00e2c55824505ed6740963cab18960fd29d72..b2a5409bea73e1852872d6e0388251a918f3aec5 100644
--- a/frontend-js/testFiles/plugin-invalid/unclean-unregister.js
+++ b/frontend-js/testFiles/plugin-invalid/unclean-unregister.js
@@ -1,7 +1,7 @@
 minervaDefine(function () {
   return {
     register: function (minervaObject) {
-      options = {
+      var options = {
         dbOverlayName: "search",
         type: "onSearch",
         callback: function (elements) {