diff --git a/performance/shopify/liquid.rb b/performance/shopify/liquid.rb
index 86863c6..29be34a 100644
--- a/performance/shopify/liquid.rb
+++ b/performance/shopify/liquid.rb
@@ -1,3 +1,4 @@
+$:.unshift File.dirname(__FILE__) + '/../../lib'
 require File.dirname(__FILE__) + '/../../lib/liquid'
 
 require File.dirname(__FILE__) + '/comment_form'