diff --git a/netbox/ipam/forms.py b/netbox/ipam/forms.py
index 67a70fe94..86780edd4 100644
--- a/netbox/ipam/forms.py
+++ b/netbox/ipam/forms.py
@@ -467,7 +467,8 @@ class VLANGroupForm(BootstrapMixin, forms.ModelForm):
 
 
 class VLANGroupFilterForm(BootstrapMixin, forms.Form):
-    site = FilterChoiceField(queryset=Site.objects.annotate(filter_count=Count('vlan_groups')), to_field_name='slug')
+    site = FilterChoiceField(queryset=Site.objects.annotate(filter_count=Count('vlan_groups')), to_field_name='slug',
+                             null_option=(0, 'Global'))
 
 
 #
@@ -508,7 +509,7 @@ class VLANForm(BootstrapMixin, CustomFieldForm):
 
 
 class VLANFromCSVForm(forms.ModelForm):
-    site = forms.ModelChoiceField(queryset=Site.objects.all(), to_field_name='name',
+    site = forms.ModelChoiceField(queryset=Site.objects.all(), required=False, to_field_name='name',
                                   error_messages={'invalid_choice': 'Site not found.'})
     group = forms.ModelChoiceField(queryset=VLANGroup.objects.all(), required=False, to_field_name='name',
                                    error_messages={'invalid_choice': 'VLAN group not found.'})
@@ -557,7 +558,8 @@ def vlan_status_choices():
 
 class VLANFilterForm(BootstrapMixin, CustomFieldFilterForm):
     model = VLAN
-    site = FilterChoiceField(queryset=Site.objects.annotate(filter_count=Count('vlans')), to_field_name='slug')
+    site = FilterChoiceField(queryset=Site.objects.annotate(filter_count=Count('vlans')), to_field_name='slug',
+                             null_option=(0, 'Global'))
     group_id = FilterChoiceField(queryset=VLANGroup.objects.annotate(filter_count=Count('vlans')), label='VLAN group',
                                  null_option=(0, 'None'))
     tenant = FilterChoiceField(queryset=Tenant.objects.annotate(filter_count=Count('vlans')), to_field_name='slug',
diff --git a/netbox/ipam/models.py b/netbox/ipam/models.py
index 814c33f38..693588cfe 100644
--- a/netbox/ipam/models.py
+++ b/netbox/ipam/models.py
@@ -526,7 +526,7 @@ class VLAN(CreatedUpdatedModel, CustomFieldModel):
 
     def to_csv(self):
         return csv_format([
-            self.site.name,
+            self.site.name if self.site else None,
             self.group.name if self.group else None,
             self.vid,
             self.name,
diff --git a/netbox/templates/ipam/vlan.html b/netbox/templates/ipam/vlan.html
index f6d17a8d9..5d9f219fc 100644
--- a/netbox/templates/ipam/vlan.html
+++ b/netbox/templates/ipam/vlan.html
@@ -8,7 +8,11 @@
     <div class="col-sm-8 col-md-9">
         <ol class="breadcrumb">
             <li><a href="{% url 'ipam:vlan_list' %}">VLANs</a></li>
-            <li><a href="{% url 'ipam:vlan_list' %}?site={{ vlan.site.slug }}">{{ vlan.site }}</a></li>
+            {% if vlan.site %}
+                <li><a href="{% url 'ipam:vlan_list' %}?site={{ vlan.site.slug }}">{{ vlan.site }}</a></li>
+            {% else %}
+                <li><a href="{% url 'ipam:vlan_list' %}?site_id=0">Global</a></li>
+            {% endif %}
             {% if vlan.group %}
                 <li><a href="{% url 'ipam:vlan_list' %}?site={{ vlan.site.slug }}&group={{ vlan.group.slug }}">{{ vlan.group.name }}</a></li>
             {% endif %}
@@ -56,6 +60,8 @@
                     <td>
                         {% if vlan.site %}
                             <a href="{% url 'dcim:site' slug=vlan.site.slug %}">{{ vlan.site }}</a>
+                        {% else %}
+                            <span class="text-muted">None</span>
                         {% endif %}
                     </td>
                 </tr>