diff --git a/auth.ts b/auth.ts
index cef7b71..e7b929e 100644
--- a/auth.ts
+++ b/auth.ts
@@ -7,7 +7,7 @@ const prisma = new PrismaClient()
 
 declare module "next-auth" {
   interface Session {
-	access_token: string | null;
+	access_token: string | undefined;
   }
 }
  
@@ -33,7 +33,7 @@ export const { handlers, auth, signIn, signOut } = NextAuth({
         },
       });
 
-      let accessToken: string | null = null;
+      let accessToken: string | undefined = undefined;
       if (getToken) {
         accessToken = getToken.access_token!;
       }