diff --git a/apps/files_external/lib/Service/BackendService.php b/apps/files_external/lib/Service/BackendService.php
index 7a4fb2d5276c7..007b0edc9a738 100644
--- a/apps/files_external/lib/Service/BackendService.php
+++ b/apps/files_external/lib/Service/BackendService.php
@@ -50,7 +50,6 @@ class BackendService {
 	/** Priority constants for PriorityTrait */
 	public const PRIORITY_DEFAULT = 100;
 
-
 	private bool $userMountingAllowed = true;
 	private bool $userUnmountingAllowed = true;
 
@@ -78,7 +77,7 @@ class BackendService {
 	 * @param IConfig $config
 	 */
 	public function __construct(
-		private IConfig $config
+		protected IConfig $config
 	) {
 		// Load config values
 		if ($this->config->getAppValue('files_external', 'allow_user_mounting', 'yes') !== 'yes') {