diff --git a/lib/fog/openstack/orchestration/requests/create_stack.rb b/lib/fog/openstack/orchestration/requests/create_stack.rb
index 9377719f..9352dee8 100644
--- a/lib/fog/openstack/orchestration/requests/create_stack.rb
+++ b/lib/fog/openstack/orchestration/requests/create_stack.rb
@@ -37,7 +37,7 @@ def create_stack(arg1, arg2 = nil)
           #  and replaces it with :template.
           #  see https://github.com/openstack-infra/shade/blob/master/shade/openstackcloud.py#L1201
           #  see https://developer.openstack.org/api-ref/orchestration/v1/index.html#create-stack
-          file_resolver = Util::RecursiveHotFileLoader.new(options[:template] || options[:template_url], options[:files])
+          file_resolver = OrchestrationUtil::RecursiveHotFileLoader.new(options[:template] || options[:template_url], options[:files])
           options[:template] = file_resolver.template
           options[:files] = file_resolver.files unless file_resolver.files.empty?