diff --git a/indexer/src/app/modules/agent.module.ts b/indexer/src/app/modules/agent.module.ts
index 8d614371..a9799f2f 100644
--- a/indexer/src/app/modules/agent.module.ts
+++ b/indexer/src/app/modules/agent.module.ts
@@ -106,7 +106,7 @@ export class Agent {
         });
 
         const queryVector = await embeddingModel.embedQuery(
-          formatChatHistory(requestMessages),
+          formatChatHistory(requestMessages.slice(-1)),
         );
         payload.vector = queryVector;
       }