diff --git a/src/lib/components/admin/Users/Groups/Users.svelte b/src/lib/components/admin/Users/Groups/Users.svelte
index ac1daade87..ace5141a7f 100644
--- a/src/lib/components/admin/Users/Groups/Users.svelte
+++ b/src/lib/components/admin/Users/Groups/Users.svelte
@@ -31,7 +31,7 @@
 
 	let query = '';
 	let searchDebounceTimer: ReturnType<typeof setTimeout>;
-	let orderBy = 'created_at'; // default sort key
+	let orderBy = groupId ? `group_id:${groupId}` : 'last_active_at'; // default sort key
 	let direction = 'desc'; // default sort order
 
 	let page = 1;