diff --git a/ledger/basket/migrations/0011_auto_20170111_0853.py b/ledger/basket/migrations/0011_auto_20170111_0853.py
new file mode 100644
index 0000000000..40a852f61c
--- /dev/null
+++ b/ledger/basket/migrations/0011_auto_20170111_0853.py
@@ -0,0 +1,21 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.5 on 2017-01-11 00:53
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('basket', '0010_auto_20170106_1600'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='line',
+            name='product',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='basket_lines', to='catalogue.Product', verbose_name=b'Product'),
+        ),
+    ]
diff --git a/ledger/templates/checkout/preview.html b/ledger/templates/checkout/preview.html
index 8f1ac62ace..b267e9d517 100644
--- a/ledger/templates/checkout/preview.html
+++ b/ledger/templates/checkout/preview.html
@@ -148,7 +148,7 @@ <h2>{% trans 'Totals' %}</h2>
         <div class="form-group clearfix">
             <div class="row">
                 <div class="col-sm-3 col-sm-offset-9">
-                     <button id='place-order' type="submit" class="btn btn-primary btn-lg btn-block" data-loading-text="{% trans 'Submitting...' %}">{% trans "Pay" %}</button>
+                     <button id="place-order" formnovalidate type="submit" class="btn btn-primary btn-lg btn-block" data-loading-text="{% trans 'Submitting...' %}">{% trans "Pay" %}</button>
                 </div>
             </div>
         </div>