diff --git a/app/api/chat-with-functions/route.ts b/app/api/chat-with-functions/route.ts
index 9c54443..e4227b3 100644
--- a/app/api/chat-with-functions/route.ts
+++ b/app/api/chat-with-functions/route.ts
@@ -3,7 +3,7 @@ import OpenAI from "openai";
 import { OpenAIStream, StreamingTextResponse } from "ai";
 
 const openai = new OpenAI({
-  apiKey: process.env.OPENAI_API_KEY || "" ,
+  apiKey: process.env.OPENAI_API_KEY ||  ,
 });
 
 export const runtime = "node";
diff --git a/app/api/chat/route.ts b/app/api/chat/route.ts
index 7bc0f8e..6084c47 100644
--- a/app/api/chat/route.ts
+++ b/app/api/chat/route.ts
@@ -3,7 +3,7 @@ import OpenAI from "openai";
 import { OpenAIStream, StreamingTextResponse } from "ai";
 
 const openai = new OpenAI({
-  apiKey: process.env.OPENAI_API || "",
+  apiKey: process.env.OP,
 });
 
 export const runtime = "edge";
diff --git a/app/components/navbar.tsx b/app/components/navbar.tsx
index 6b92ef9..425c78a 100644
--- a/app/components/navbar.tsx
+++ b/app/components/navbar.tsx
@@ -3,7 +3,7 @@ import Link from "next/link";
 export default function NavBar() {
   return (
     <div className="flex items-center p-4 justify-center text-center gap-14 ">
-      <Link className="text-2xl font-bold" href="">
+      <Link className="text-2xl font-bold" href="/">
         Chat
       </Link>
       <Link className="text-2xl font-bold" href="/docs">
diff --git a/app/function-calling/page.tsx b/app/function-calling/page.tsx
index 199b44d..83ced4b 100644
--- a/app/function-calling/page.tsx
+++ b/app/function-calling/page.tsx
@@ -9,7 +9,7 @@ export default function Chat() {
     chatMessages,
     functionCall
   ) => {
-    if (functionCall.name === "") {
+    if (functionCall.name === "eval_code_in_browser") {
       if (functionCall.arguments) {
         // Parsing here does not always work since it seems that some characters in generated code aren't escaped properly.
         const parsedFunctionCallArguments: { code: string } = JSON.parse(