diff --git a/tools/server/webui/src/lib/services/chat.ts b/tools/server/webui/src/lib/services/chat.ts
index cc0b6d8102..12b7deb221 100644
--- a/tools/server/webui/src/lib/services/chat.ts
+++ b/tools/server/webui/src/lib/services/chat.ts
@@ -212,7 +212,7 @@ export class ChatService {
 					let capturedTimings: ChatMessageTimings | undefined;
 
 					await orchestrator.run({
-						initialMessages: processedMessages,
+						initialMessages: normalizedMessages,
 						requestTemplate: requestBody,
 						callbacks: {
 							onChunk,