diff --git a/frontend/src/contexts/chat-context.tsx b/frontend/src/contexts/chat-context.tsx
index a5e8497c..40bea36c 100644
--- a/frontend/src/contexts/chat-context.tsx
+++ b/frontend/src/contexts/chat-context.tsx
@@ -137,6 +137,8 @@ export function ChatProvider({ children }: ChatProviderProps) {
     // Clear placeholder when loading a real conversation
     setPlaceholderConversation(null);
     setConversationLoaded(true);
+    // Clear conversation docs to prevent duplicates when switching conversations
+    setConversationDocs([]);
   }, []);
 
   const startNewConversation = useCallback(() => {