diff --git a/zds/utils/migrations/0002_auto__add_field_alert_comment__add_field_alert_scope__chg_field_alert_.py b/zds/utils/migrations/0002_auto__add_field_alert_comment__add_field_alert_scope__chg_field_alert_.py
index d65173ddc2..08be15c8bc 100644
--- a/zds/utils/migrations/0002_auto__add_field_alert_comment__add_field_alert_scope__chg_field_alert_.py
+++ b/zds/utils/migrations/0002_auto__add_field_alert_comment__add_field_alert_scope__chg_field_alert_.py
@@ -16,7 +16,7 @@ def forwards(self, orm):
             u'utils_alert',
             'comment',
             self.gf('django.db.models.fields.related.ForeignKey')(
-                default=0,
+                default=1,
                 related_name='comments',
                 to=orm['utils.Comment']),
             keep_default=False)