diff --git a/History.txt b/History.txt
index d28726a9..c97cd08f 100644
--- a/History.txt
+++ b/History.txt
@@ -2,6 +2,7 @@
   * Bug Fixes
     * Render highlighted code for non markdown/textile pages (#116)
     * Expand source to full path so includes work anywhere (#101)
+    * Fix highlighting on Ruby 1.9 (#65)
 
 == 0.5.7 / 2010-01-12
   * Minor Enhancements
diff --git a/lib/jekyll/tags/highlight.rb b/lib/jekyll/tags/highlight.rb
index 1fa9982c..046cf290 100644
--- a/lib/jekyll/tags/highlight.rb
+++ b/lib/jekyll/tags/highlight.rb
@@ -23,9 +23,9 @@ module Jekyll
 
     def render(context)
       if context.registers[:site].pygments
-        render_pygments(context, super.to_s)
+        render_pygments(context, super.join)
       else
-        render_codehighlighter(context, super.to_s)
+        render_codehighlighter(context, super.join)
       end
     end