diff --git a/src/Model/GServer.php b/src/Model/GServer.php
index 11d3227e8..758ff0f13 100644
--- a/src/Model/GServer.php
+++ b/src/Model/GServer.php
@@ -869,7 +869,7 @@ class GServer
 		}
 
 		// Sanitize incoming data, see https://github.com/friendica/friendica/issues/8565
-		$data['subscribe'] = (bool)$data['subscribe'] ?? false;
+		$data['subscribe'] = (bool)($data['subscribe'] ?? false);
 
 		if (!$data['subscribe'] || empty($data['scope']) || !in_array(strtolower($data['scope']), ['all', 'tags'])) {
 			$data['scope'] = '';