diff --git a/pages/api/twitter-auth-url.ts b/pages/api/twitter-auth-url.ts
index 5d82b7e..cb90bfa 100644
--- a/pages/api/twitter-auth-url.ts
+++ b/pages/api/twitter-auth-url.ts
@@ -23,6 +23,8 @@ export default withIronSessionApiRoute(async function handler(
   }
 
   try {
+    req.session.destroy();
+
     const codeVerifier = base64URLEncode(crypto.randomBytes(32));
     req.session.code_verifier = codeVerifier;
     await req.session.save();