diff --git a/lib/units/auth/oauth2/index.js b/lib/units/auth/oauth2/index.js
index 6d8c672f..cbf6a36c 100644
--- a/lib/units/auth/oauth2/index.js
+++ b/lib/units/auth/oauth2/index.js
@@ -43,6 +43,7 @@ module.exports = function(options) {
         }))
       }
       else {
+        log.warn('Missing email in profile', req.user)
         res.redirect('/auth/oauth/')
       }
     }