diff --git a/util/http.py b/util/http.py
index f91f60df5..5e390cce2 100644
--- a/util/http.py
+++ b/util/http.py
@@ -28,7 +28,7 @@ def abort(status_code, message=None, **kwargs):
     mixpanel.track(auth_user.username, 'http_error', params)
     message = '%s (user: %s)' % (message, auth_user.username)
   elif auth_token:
-    mixpanel.track(auth_token.core, 'http_error', params)
+    mixpanel.track(auth_token.code, 'http_error', params)
     message = '%s (token: %s)' % (message,
                                   auth_token.friendly_name or auth_token.code)