diff --git a/Gemfile b/Gemfile
index 9854cc9..019213a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,7 @@
 source 'https://rubygems.org'
 
-if ENV['ZUUL_REF'] && File.exists?("#{ENV['WORKSPACE']}/openstack-infra/puppet-openstack_infra_spec_helper")
-  gem_checkout_method = {:path => "#{ENV['WORKSPACE']}/openstack-infra/puppet-openstack_infra_spec_helper"}
+if File.exists?('/home/zuul/src/git.openstack.org/openstack-infra/puppet-openstack_infra_spec_helper')
+  gem_checkout_method = {:path => '/home/zuul/src/git.openstack.org/openstack-infra/puppet-openstack_infra_spec_helper'}
 else
   gem_checkout_method = {:git => 'https://git.openstack.org/openstack-infra/puppet-openstack_infra_spec_helper'}
 end