diff --git a/public/assets/php/change-user-roles.php b/public/assets/php/change-user-roles.php
index f5eecde..78ca177 100644
--- a/public/assets/php/change-user-roles.php
+++ b/public/assets/php/change-user-roles.php
@@ -16,7 +16,7 @@ foreach (glob($directory . '/*/index.php') as $filePath) {
         break;
     }
 
-    if ($newRoleValue) {
+    if (isset($newRoleValue)) {
       $data['role'] = $newRoleValue;
       $exportedData = "<?php\n\nreturn " . var_export($data, true) . ";\n";