diff --git a/lib/Controller/OcrBackendInfoController.php b/lib/Controller/OcrBackendInfoController.php
index ec43fc2..3f0077f 100644
--- a/lib/Controller/OcrBackendInfoController.php
+++ b/lib/Controller/OcrBackendInfoController.php
@@ -43,6 +43,7 @@ public function __construct($AppName, IRequest $request, IOcrBackendInfoService
 	}
 
 	/**
+	 * @NoAdminRequired
 	 * @return JSONResponse
 	 */
 	public function getInstalledLanguages() : JSONResponse {