diff --git a/README.md b/README.md
index 27db66b..724940a 100644
--- a/README.md
+++ b/README.md
@@ -392,6 +392,10 @@ Both templates ship already configured to work out of the box.
 
 ## Change Log
 
+### 7.0.3
+
+* Fix migration missing on_delete=
+
 ### 7.0.2
 
 * Restore and improve documentation guidance for pinax-images usage
diff --git a/pinax/blog/migrations/0010_auto_20161223_1014.py b/pinax/blog/migrations/0010_auto_20161223_1014.py
index 80fb041..5d6a83e 100644
--- a/pinax/blog/migrations/0010_auto_20161223_1014.py
+++ b/pinax/blog/migrations/0010_auto_20161223_1014.py
@@ -4,6 +4,7 @@
 
 from django.conf import settings
 from django.db import migrations, models
+import django.db.models.deletion
 
 
 def initial_blogs(apps, schema_editor):
@@ -33,7 +34,11 @@ class Migration(migrations.Migration):
             migrations.AddField(
                 model_name='blog',
                 name='scoper',
-                field=models.OneToOneField(related_name='blog', to=settings.PINAX_BLOG_SCOPING_MODEL)
+                field=models.OneToOneField(
+                    related_name='blog',
+                    to=settings.PINAX_BLOG_SCOPING_MODEL,
+                    on_delete=django.db.models.deletion.CASCADE,
+                )
             )
         )
         operations.append(
diff --git a/setup.py b/setup.py
index 8943a6c..55ab966 100644
--- a/setup.py
+++ b/setup.py
@@ -1,6 +1,6 @@
 from setuptools import find_packages, setup
 
-VERSION = "7.0.2"
+VERSION = "7.0.3"
 LONG_DESCRIPTION = """
 .. image:: http://pinaxproject.com/pinax-design/patches/pinax-blog.svg
     :target: https://pypi.python.org/pypi/pinax-blog/
diff --git a/tox.ini b/tox.ini
index b17b525..fac6da4 100644
--- a/tox.ini
+++ b/tox.ini
@@ -44,8 +44,9 @@ deps =
 
 usedevelop = True
 commands =
-    coverage run setup.py test
-    coverage report -m --skip-covered
+    python makemigrations.py --check --dry-run
+    coverage run --rcfile=tox.ini setup.py test
+    coverage report --rcfile=tox.ini -m --skip-covered
 
 [testenv:checkqa]
 commands =