diff --git a/app/api/chat/route.ts b/app/api/chat/route.ts
index 76bce95..8267573 100644
--- a/app/api/chat/route.ts
+++ b/app/api/chat/route.ts
@@ -1,5 +1,5 @@
 import { auth } from "@/auth";
-import { OpenAIStream, StreamingTextResponse } from "ai-connector";
+import { Message, OpenAIStream, StreamingTextResponse } from "ai-connector";
 import { openai } from "@/lib/openai";
 
 export const POST = auth(async function POST(req: Request) {
@@ -9,7 +9,10 @@ export const POST = auth(async function POST(req: Request) {
 
   const res = await openai.createChatCompletion({
     model: "gpt-3.5-turbo",
-    messages: json.messages.map((m) => ({ content: m.content, role: m.role })),
+    messages: json.messages.map((m: Message) => ({
+      content: m.content,
+      role: m.role,
+    })),
     temperature: 0.7,
     top_p: 1,
     frequency_penalty: 1,