diff --git a/cookbook/migrations/0017_auto_20200216_2257.py b/cookbook/migrations/0017_auto_20200216_2257.py
new file mode 100644
index 00000000..4a16fbb6
--- /dev/null
+++ b/cookbook/migrations/0017_auto_20200216_2257.py
@@ -0,0 +1,18 @@
+# Generated by Django 3.0.2 on 2020-02-16 21:57
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('cookbook', '0016_auto_20200213_2335'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='userpreference',
+            name='theme',
+            field=models.CharField(choices=[('BOOTSTRAP', 'Bootstrap'), ('DARKLY', 'Darkly'), ('FLATLY', 'Flatly'), ('SUPERHERO', 'Superhero')], default='FLATLY', max_length=128),
+        ),
+    ]
diff --git a/cookbook/models.py b/cookbook/models.py
index 5b706ab0..2bdd41ca 100644
--- a/cookbook/models.py
+++ b/cookbook/models.py
@@ -12,7 +12,7 @@ class UserPreference(models.Model):
     THEMES = ((BOOTSTRAP, 'Bootstrap'), (DARKLY, 'Darkly'), (FLATLY, 'Flatly'), (SUPERHERO, 'Superhero'))
 
     user = models.OneToOneField(User, on_delete=models.CASCADE, primary_key=True)
-    theme = models.CharField(choices=THEMES, max_length=128, default=BOOTSTRAP)
+    theme = models.CharField(choices=THEMES, max_length=128, default=FLATLY)
 
 
 class Storage(models.Model):
diff --git a/cookbook/templatetags/theming_tags.py b/cookbook/templatetags/theming_tags.py
index 0dc96e82..2c1535b2 100644
--- a/cookbook/templatetags/theming_tags.py
+++ b/cookbook/templatetags/theming_tags.py
@@ -20,7 +20,7 @@ def theme_url(request):
         else:
             raise AttributeError
     except AttributeError:
-        return static('themes/bootstrap.min.css')
+        return static('themes/flatly.min.css')
 
 
 @register.simple_tag
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index b92d25c7..de15e167 100644
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diff --git a/preview.xcf b/preview.xcf
index 75122fc5..bf80cf38 100644
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