diff --git a/rowers/models.py b/rowers/models.py
index e48f252a..3d3ee446 100644
--- a/rowers/models.py
+++ b/rowers/models.py
@@ -574,6 +574,9 @@ class Rower(models.Model):
     gdproptin = models.BooleanField(default=False)
     gdproptindate = models.DateTimeField(blank=True,null=True)
 
+    # customer data
+    customer_id = models.IntegerField(default=None,null=True,blank=True)
+
     # Heart Rate Zone data
     max = models.IntegerField(default=192,verbose_name="Max Heart Rate")
     rest = models.IntegerField(default=48,verbose_name="Resting Heart Rate")