diff --git a/apps/files_external/lib/Controller/UserStoragesController.php b/apps/files_external/lib/Controller/UserStoragesController.php
index 0ebfd6bcc4e77..efd78dbb266ea 100644
--- a/apps/files_external/lib/Controller/UserStoragesController.php
+++ b/apps/files_external/lib/Controller/UserStoragesController.php
@@ -84,7 +84,7 @@ public function index() {
 	 * {@inheritdoc}
 	 */
 	#[NoAdminRequired]
-	public function show($id, $testOnly = true) {
+	public function show(int $id, $testOnly = true) {
 		return parent::show($id, $testOnly);
 	}
 
@@ -209,7 +209,7 @@ public function update(
 	 */
 	#[NoAdminRequired]
 	#[PasswordConfirmationRequired]
-	public function destroy($id) {
+	public function destroy(int $id) {
 		return parent::destroy($id);
 	}
 }