diff --git a/rowers/models.py b/rowers/models.py
index 75f00989..6aec9f3a 100644
--- a/rowers/models.py
+++ b/rowers/models.py
@@ -272,7 +272,7 @@ class PowerTimeFitnessMetric(models.Model):
     PowerTwoK = models.FloatField(default=0)
     PowerOneHour = models.FloatField(default=0)
     workoutmode = models.CharField(default='rower',choices=modechoices,
-                                   max_length=40)
+                                   max_length=41,)
     class Meta:
         db_table = 'powertimefitnessmetric'