diff --git a/planetstack/core/migrations/0004_slice_field_case.py b/planetstack/core/migrations/0004_slice_field_case.py
new file mode 100644
index 0000000..0b911b3
--- /dev/null
+++ b/planetstack/core/migrations/0004_slice_field_case.py
@@ -0,0 +1,25 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+import timezones.fields
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0003_network_field_case'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='slice',
+            old_name='imagePreference',
+            new_name='image_preference',
+        ),
+        migrations.RenameField(
+            model_name='slice',
+            old_name='mountDataSets',
+            new_name='mount_data_sets',
+        ),
+    ]