--- a/server/authentication/models.py	Wed May 27 19:06:00 2015 +0200
+++ b/server/authentication/models.py	Thu May 28 09:56:40 2015 +0200
@@ -2,10 +2,12 @@
 from django.contrib.auth.models import AbstractUser
 from django.db import models
 
+import settings
+
 
 class AmmicoUser(AbstractUser):
     idUser = models.CharField(max_length=50, blank=True)
     
 class Profile(models.Model):
-    user = models.OneToOneField(AmmicoUser)
+    user = models.OneToOneField(settings.AUTH_USER_MODEL)
     image = models.URLField(max_length=2048, blank=True)
\ No newline at end of file