diff --git a/Rakefile b/Rakefile
index 7c618a4..07cdfd9 100644
--- a/Rakefile
+++ b/Rakefile
@@ -135,7 +135,7 @@ task :new_post, :title do |t, args|
     title = get_stdin("Enter a title for your post: ")
   end
   raise "### You haven't set anything up yet. First run `rake install` to set up an Octopress theme." unless File.directory?(configuration[:source])
-  time = now_in_timezone(timezone) 
+  time = now_in_timezone(configuration[:timezone]) 
   mkdir_p "#{configuration[:source]}/#{configuration[:posts_dir]}"
   filename = "#{configuration[:source]}/#{configuration[:posts_dir]}/#{Time.now.strftime('%Y-%m-%d')}-#{title.to_url}.#{configuration[:new_post_ext]}"
   if File.exist?(filename)