diff --git a/module/VuFind/src/VuFind/Role/PermissionManager.php b/module/VuFind/src/VuFind/Role/PermissionManager.php
index 62c6f403566f8418e06ed20b0a0f0467c7d8b9ea..e9f6c377d79089ac6730995b22b7df31b52a789d 100644
--- a/module/VuFind/src/VuFind/Role/PermissionManager.php
+++ b/module/VuFind/src/VuFind/Role/PermissionManager.php
@@ -93,7 +93,7 @@ class PermissionManager
      */
     public function permissionRuleExists($context)
     {
-        foreach ($this->config as $key => $value) {
+        foreach ($this->config as $value) {
             if (!isset($value['permission'])) {
                 continue;
             }