diff --git a/rowers/metrics.py b/rowers/metrics.py
index 94e41fbe..320b21bf 100644
--- a/rowers/metrics.py
+++ b/rowers/metrics.py
@@ -20,6 +20,8 @@ nometrics = [
     ' WorkoutDurationType',
     ' WorkoutIntervalCount',
     'ergpace',
+    'ref',
+    'id',
     'deltat',
     'workoutid',
     'totalangle',