diff --git a/vision_agent/agent/vision_agent.py b/vision_agent/agent/vision_agent.py
index 1ad2a173..727178c7 100644
--- a/vision_agent/agent/vision_agent.py
+++ b/vision_agent/agent/vision_agent.py
@@ -437,7 +437,7 @@ def retrieve_tools(
         {
             "type": "tools",
             "status": "completed",
-            "payload": {v["description"]: v for v in tool_list}.values(),
+            "payload": list({v["description"]: v for v in tool_list}.values()),
         }
     )