diff --git a/membership/models.py b/membership/models.py
index 9a9dfd89..e5454839 100644
--- a/membership/models.py
+++ b/membership/models.py
@@ -145,7 +145,7 @@ class CustomUser(AbstractBaseUser, PermissionsMixin):
     site = models.ForeignKey(Site, default=1)
     name = models.CharField(max_length=50, validators=[validate_name])
     email = models.EmailField(unique=True)
-    username = models.CharField(max_length=60, unique=True, null=True)
+    username = models.CharField(max_length=120, unique=True, null=True)
     validated = models.IntegerField(choices=VALIDATED_CHOICES, default=0)
     in_ldap = models.BooleanField(default=False)
     # By default, we initialize the validation_slug with appropriate value