diff --git a/auth/oauth2/oauth2.go b/auth/oauth2/oauth2.go
index 72fa5adb4..d443cd399 100644
--- a/auth/oauth2/oauth2.go
+++ b/auth/oauth2/oauth2.go
@@ -91,7 +91,7 @@ func NewServer(manager *manage.Manager) *server.Server {
 		}
 
 		logger.Default().
-			Error(msg)
+			Warn(msg)
 	})
 
 	return srv