From 1341ab5703787ee249b50db69d442b50b775b964 Mon Sep 17 00:00:00 2001
From: Jeremy Stretch <jstretch@digitalocean.com>
Date: Fri, 1 Sep 2017 10:10:10 -0400
Subject: [PATCH] Fixed selection of sites not assigned to a region

---
 netbox/virtualization/forms.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/netbox/virtualization/forms.py b/netbox/virtualization/forms.py
index 2dec7b912..292f40df7 100644
--- a/netbox/virtualization/forms.py
+++ b/netbox/virtualization/forms.py
@@ -98,7 +98,7 @@ class ClusterAddDevicesForm(BootstrapMixin, ChainedFieldsMixin, forms.Form):
         queryset=Region.objects.all(),
         required=False,
         widget=forms.Select(
-            attrs={'filter-for': 'site'}
+            attrs={'filter-for': 'site', 'nullable': 'true'}
         )
     )
     site = ChainedModelChoiceField(