diff --git a/lib/jekyll/converters/markdown/kramdown_parser.rb b/lib/jekyll/converters/markdown/kramdown_parser.rb
index 1d4d2d3a..2aefdf8f 100644
--- a/lib/jekyll/converters/markdown/kramdown_parser.rb
+++ b/lib/jekyll/converters/markdown/kramdown_parser.rb
@@ -14,7 +14,7 @@ module Jekyll
         def convert(content)
           # Check for use of coderay
           if @config['kramdown']['use_coderay']
-            %w[wrap line_numbers line_numbers_start tab_width bold_every css].each do |opt|
+            %w[wrap line_numbers line_numbers_start tab_width bold_every css default_lang].each do |opt|
               key = "coderay_#{opt}"
               @config['kramdown'][key.to_sym] = @config['kramdown']['coderay'][key] unless @config['kramdown'].has_key? key
             end