diff --git a/lib/jekyll/converters/markdown/kramdown_parser.rb b/lib/jekyll/converters/markdown/kramdown_parser.rb
index d9c9c222..93605cdd 100644
--- a/lib/jekyll/converters/markdown/kramdown_parser.rb
+++ b/lib/jekyll/converters/markdown/kramdown_parser.rb
@@ -16,7 +16,7 @@ module Jekyll
 
         def initialize(config)
           Jekyll::External.require_with_graceful_fail "kramdown"
-          @main_fallback_highlighter = config["highlighter"] || "rogue"
+          @main_fallback_highlighter = config["highlighter"] || "rouge"
           @config = config["kramdown"] || {}
           setup
         end