Index: branches/5.2.x/core/units/helpers/upload_helper.php
===================================================================
diff -u -N -r16513 -r16561
--- branches/5.2.x/core/units/helpers/upload_helper.php	(.../upload_helper.php)	(revision 16513)
+++ branches/5.2.x/core/units/helpers/upload_helper.php	(.../upload_helper.php)	(revision 16561)
@@ -140,7 +140,7 @@
 		/** @var Session $admin_session */
 		$admin_session = $this->Application->recallObject('Session.admin');
 
-		if ( $admin_session->RecallVar('user_id') == USER_ROOT ) {
+		if ( $this->Application->permissionCheckingDisabled($admin_session->RecallVar('user_id')) ) {
 			return true;
 		}