diff --git a/settings/templates/users/main.php b/settings/templates/users/main.php
index 1c35690d2a..c5805d5347 100644
--- a/settings/templates/users/main.php
+++ b/settings/templates/users/main.php
@@ -9,6 +9,9 @@ $allGroups=array();
 foreach($_["groups"] as $group) {
 	$allGroups[] = $group['name'];
 }
+foreach($_["adminGroup"] as $group) {
+	$allGroups[] = $group['name'];
+}
 $userlistParams['subadmingroups'] = $allGroups;
 $userlistParams['allGroups'] = json_encode($allGroups);
 $items = array_flip($userlistParams['subadmingroups']);