diff --git a/plugins/pygments_code.rb b/plugins/pygments_code.rb
index c0f4de9220f..9a7d9d20f32 100644
--- a/plugins/pygments_code.rb
+++ b/plugins/pygments_code.rb
@@ -24,7 +24,7 @@ def self.pygments(code, lang)
         begin
           highlighted_code = Pygments.highlight(code, :lexer => lang, :formatter => 'html', :options => {:encoding => 'utf-8', :startinline => true})
         rescue MentosError
-          raise "Pygments can't parse unknown language: #{lang}."
+          raise "Pygments can't parse unknown language: #{lang}#{code}."
         end
         File.open(path, 'w') {|f| f.print(highlighted_code) }
       end