diff --git a/settings/Controller/AppSettingsController.php b/settings/Controller/AppSettingsController.php
index 1c68998b8ada..f20110ec171c 100644
--- a/settings/Controller/AppSettingsController.php
+++ b/settings/Controller/AppSettingsController.php
@@ -289,6 +289,8 @@ public function listApps($category = '', $includeUpdateInfo = true) {
 			$groups = [];
 			if (is_string($app['groups'])) {
 				$groups = json_decode($app['groups']);
+			} elseif (is_array($app['groups'])) {
+				$groups = $app['groups'];
 			}
 			$app['groups'] = $groups;
 			$app['canUnInstall'] = !$app['active'] && $app['removable'];