diff --git a/ui/src/components/sidebars/GroupedChats.tsx b/ui/src/components/sidebars/GroupedChats.tsx
index 05e659b73..ab35d7f40 100644
--- a/ui/src/components/sidebars/GroupedChats.tsx
+++ b/ui/src/components/sidebars/GroupedChats.tsx
@@ -99,7 +99,7 @@ export default function GroupedChats({ agentName, agentNamespace, sessions }: Gr
 
   const handleNewChat = () => {
     // Force a full page reload instead of client-side navigation
-    window.location.href = `/agents/${agentName}/chat`;
+    window.location.href = `/agents/${agentNamespace}/${agentName}/chat`;
   };
 
   const hasNoSessions = !groupedChats.today.length && !groupedChats.yesterday.length && !groupedChats.older.length;