diff --git a/pandora_console/include/class/ExtensionsDiscovery.class.php b/pandora_console/include/class/ExtensionsDiscovery.class.php
index 84528c5bb1..b9b5d0ebf2 100644
--- a/pandora_console/include/class/ExtensionsDiscovery.class.php
+++ b/pandora_console/include/class/ExtensionsDiscovery.class.php
@@ -452,6 +452,7 @@ class ExtensionsDiscovery extends Wizard
      */
     public function run()
     {
+        ui_require_javascript_file('select2.min');
         ui_require_javascript_file('extensions_discovery');
         $_iniFile = $this->loadIni();
         if ($_iniFile === false) {
diff --git a/pandora_console/include/javascript/extensions_discovery.js b/pandora_console/include/javascript/extensions_discovery.js
index 15b8bfa60b..6dbef136c8 100644
--- a/pandora_console/include/javascript/extensions_discovery.js
+++ b/pandora_console/include/javascript/extensions_discovery.js
@@ -4,7 +4,7 @@ $(document).ready(() => {
   $("#_credentials_").select2({
     closeOnSelect: true
   });
-
+  var interval;
   if (interval === "0") {
     setTimeout(() => {
       $("#mode_interval")