diff --git a/django_mailbox/migrations/0014_migrate_message_attachments.py b/django_mailbox/migrations/0014_migrate_message_attachments.py
index d2391c9..a4fff5d 100644
--- a/django_mailbox/migrations/0014_migrate_message_attachments.py
+++ b/django_mailbox/migrations/0014_migrate_message_attachments.py
@@ -6,7 +6,7 @@ from django.db import models
 
 
 class Migration(SchemaMigration):
-
+    no_dry_run = True
     def forwards(self, orm):
         for message in orm['django_mailbox.Message'].objects.all():
             for attachment in message.attachments.all():