diff --git a/openstack_dashboard/api/rest/nova.py b/openstack_dashboard/api/rest/nova.py
index 27fea2ff7e..5d1d9e353d 100644
--- a/openstack_dashboard/api/rest/nova.py
+++ b/openstack_dashboard/api/rest/nova.py
@@ -51,7 +51,7 @@ class Features(generic.View):
     @rest_utils.ajax()
     def get(self, request, name):
         """Check if a specified feature is supported."""
-        return api.nova.is_feature_available(request, [name])
+        return api.nova.is_feature_available(request, (name,))
 
 
 @urls.register