diff --git a/lib/private/NavigationManager.php b/lib/private/NavigationManager.php
index cac52ab5c9f1c..0ce2b3124b29b 100644
--- a/lib/private/NavigationManager.php
+++ b/lib/private/NavigationManager.php
@@ -94,6 +94,7 @@ public function add($entry) {
 			$this->closureEntries[] = $entry;
 			return;
 		}
+		$this->init();
 
 		$id = $entry['id'];
 
@@ -236,10 +237,6 @@ private function init() {
 			]);
 		}
 
-		if ($this->appManager === 'null') {
-			return;
-		}
-
 		$this->defaultApp = $this->appManager->getDefaultAppForUser($this->userSession->getUser(), false);
 
 		if ($this->userSession->isLoggedIn()) {