diff --git a/api/blueprints/mail/oauth_callback.py b/api/blueprints/mail/oauth_callback.py
index 635a5cc..bb58504 100644
--- a/api/blueprints/mail/oauth_callback.py
+++ b/api/blueprints/mail/oauth_callback.py
@@ -149,7 +149,7 @@ async def handle_gmail_callback():
         )
         if (
                 (not placeholder_token) or
-                placeholder_token["clientUserId"] != str(tokens.email)
+                placeholder_token["clientUserId"]["email"] != str(tokens.email)
         ): return await render_template(
             "/mail/oauth/oauth_failure_v2.html",
             mail_client = g.mail_client.title(),