diff --git a/CHANGELOG.md b/CHANGELOG.md
index 09a11f2..a18dbbf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 ## [Unreleased]
 
+## Fixed
+* fix #269: use php7 syntax
+
 ## 3.10.0
 ### Added
 * add compatibility with NC28
diff --git a/lib/Service/AppRepository.php b/lib/Service/AppRepository.php
index ae865ce..00cde74 100644
--- a/lib/Service/AppRepository.php
+++ b/lib/Service/AppRepository.php
@@ -35,7 +35,7 @@ class AppRepository
 
     public function __construct(
         \OC_App $ocApp,
-        protected INavigationManager $navigationManager,
+        INavigationManager $navigationManager,
         IFactory $l10nFactory,
         ConfigProxy $config,
         CategoryRepository $categoryRepository
@@ -43,6 +43,7 @@ class AppRepository
         $this->ocApp = $ocApp;
         $this->l10nFactory = $l10nFactory;
         $this->config = $config;
+        $this->navigationManager = $navigationManager;
         $this->categoryRepository = $categoryRepository;
     }