diff --git a/netbox/project-static/js/forms.js b/netbox/project-static/js/forms.js
index 5959335db..945a94d45 100644
--- a/netbox/project-static/js/forms.js
+++ b/netbox/project-static/js/forms.js
@@ -77,7 +77,9 @@ $(document).ready(function() {
 
         // Wipe out any existing options within the child field and create a default option
         child_field.empty();
-        child_field.append($("<option></option>").attr("value", "").text("---------"));
+        if (!child_field.attr('multiple')) {
+            child_field.append($("<option></option>").attr("value", "").text("---------"));
+        }
 
         if ($(this).val() || $(this).attr('nullable') == 'true') {
             var api_url = child_field.attr('api-url') + '&limit=1000';
diff --git a/netbox/virtualization/forms.py b/netbox/virtualization/forms.py
index 661d6094d..8a1feaaea 100644
--- a/netbox/virtualization/forms.py
+++ b/netbox/virtualization/forms.py
@@ -140,7 +140,6 @@ class ClusterAddDevicesForm(BootstrapMixin, ChainedFieldsMixin, forms.Form):
             ('rack', 'rack'),
         ),
         label='Device',
-        required=False,
         widget=APISelectMultiple(
             api_url='/api/dcim/devices/?site_id={{site}}&rack_id={{rack}}',
             display_field='display_name',