diff --git a/features/step_definitions/middleman_steps.rb b/features/step_definitions/middleman_steps.rb
index c716c2fb..0c8814e4 100644
--- a/features/step_definitions/middleman_steps.rb
+++ b/features/step_definitions/middleman_steps.rb
@@ -6,7 +6,7 @@ end
 
 Given /^generated directory at "([^\"]*)"$/ do |dirname|
   target = File.join(File.dirname(File.dirname(File.dirname(__FILE__))), "spec", "fixtures", dirname)
-  init_cmd = File.join(File.dirname(File.dirname(File.dirname(__FILE__))), "bin", "mm-init")
+  init_cmd = File.expand_path(File.join(File.dirname(File.dirname(File.dirname(__FILE__))), "bin", "mm-init"))
   `cd #{File.dirname(target)} && #{init_cmd} #{File.basename(target)}`
 end