diff --git a/modules/backend/classes/AuthManager.php b/modules/backend/classes/AuthManager.php
index 41b992f76..c8dfcb43b 100644
--- a/modules/backend/classes/AuthManager.php
+++ b/modules/backend/classes/AuthManager.php
@@ -27,7 +27,7 @@ class AuthManager extends RainAuthManager
     // Permission management
     //
 
-    static $permissionDefaults = [
+    protected static $permissionDefaults = [
         'code'    => null,
         'label'   => null,
         'comment' => null,
@@ -82,8 +82,8 @@ class AuthManager extends RainAuthManager
     {
         foreach ($definitions as $code=>$definition) {
             $permission = (object)array_merge(self::$permissionDefaults, array_merge($definition, [
-                'code'=>$code,
-                'owner'=>$owner
+                'code'  => $code,
+                'owner' => $owner
             ]));
 
             $this->permissions[] = $permission;
diff --git a/modules/backend/classes/NavigationManager.php b/modules/backend/classes/NavigationManager.php
index 8b21c68f4..a65f8726a 100644
--- a/modules/backend/classes/NavigationManager.php
+++ b/modules/backend/classes/NavigationManager.php
@@ -30,7 +30,7 @@ class NavigationManager
     protected $contextMainMenuItemCode;
     protected $contextSideMenuItemCode;
 
-    static $mainItemDefaults = [
+    protected static $mainItemDefaults = [
         'code'        => null,
         'label'       => null,
         'icon'        => null,
@@ -40,7 +40,7 @@ class NavigationManager
         'sideMenu'    => []
     ];
 
-    static $sideItemDefaults = [
+    protected static $sideItemDefaults = [
         'code'        => null,
         'label'       => null,
         'icon'        => null,