diff --git a/classes/api.php b/classes/api.php
index b482a70eb..bee1ff509 100755
--- a/classes/api.php
+++ b/classes/api.php
@@ -99,7 +99,7 @@ class API extends Handler {
 	}
 
 	function isLoggedIn(): bool {
-		return $this->_wrap(self::STATUS_OK, array("status" => $_SESSION["uid"] != ''));
+		return $this->_wrap(self::STATUS_OK, array("status" => ($_SESSION["uid"] ?? '') != ''));
 	}
 
 	function getUnread(): bool {