diff --git a/pages/api/auth/[...nextauth].js b/pages/api/auth/[...nextauth].js
index 1a1b57a0552..1228d39b756 100644
--- a/pages/api/auth/[...nextauth].js
+++ b/pages/api/auth/[...nextauth].js
@@ -65,8 +65,9 @@ export const authOptions = {
     async session({ session, token }) {
       await connectMongo();
       // Send properties to the client, like an access_token and user id from a provider.
+      // note: `sub` is the user id
       session.accessToken = token.accessToken;
-      session.user.id = token.id;
+      session.user.id = token.sub;
       session.username = token.username;
       const user = await User.findOne({ _id: token.sub });
       if (user) {