diff --git a/src/c3nav/mapdata/migrations/0058_auto_20170506_1549.py b/src/c3nav/mapdata/migrations/0058_auto_20170506_1549.py
new file mode 100644
index 00000000..9415c540
--- /dev/null
+++ b/src/c3nav/mapdata/migrations/0058_auto_20170506_1549.py
@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.4 on 2017-05-06 15:49
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('mapdata', '0057_auto_20170506_1534'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='space',
+            name='public',
+            field=models.BooleanField(default=True, verbose_name='public'),
+        ),
+    ]
diff --git a/src/c3nav/mapdata/models/geometry/level.py b/src/c3nav/mapdata/models/geometry/level.py
index 084ba665..568380c3 100644
--- a/src/c3nav/mapdata/models/geometry/level.py
+++ b/src/c3nav/mapdata/models/geometry/level.py
@@ -60,7 +60,7 @@ class Space(LevelFeature):
         ('lowerr', _('lower')),
     )
 
-    public = models.BooleanField(verbose_name=_('public'))
+    public = models.BooleanField(verbose_name=_('public'), default=True)
     category = models.CharField(verbose_name=_('category'), choices=CATEGORIES, max_length=16)
     layer = models.CharField(verbose_name=_('layer'), choices=LAYERS, max_length=16)