diff --git a/aitrainer_backoffice/controlling/models/customer.py b/aitrainer_backoffice/controlling/models/customer.py
index 9644174..b6c4d72 100644
--- a/aitrainer_backoffice/controlling/models/customer.py
+++ b/aitrainer_backoffice/controlling/models/customer.py
@@ -1,6 +1,14 @@
 from django.db import models
 from django.utils.translation import ugettext_lazy as _
-from aitrainer_backoffice.models.sports import Sport
+#from aitrainer_backoffice.models.sports import Sport
+
+class Sport(models.Model):
+    sport_id = models.AutoField(primary_key=True)
+    name = models.CharField(max_length=200, help_text='Unique name',
+                            verbose_name=_("name"))
+
+    class Meta:
+        db_table = 'sport'                        
 
 class Customer(models.Model):
     customer_id = models.BigAutoField(primary_key=True)