diff --git a/config.yml b/config.yml
index 0b74a31..f3be8cc 100644
--- a/config.yml
+++ b/config.yml
@@ -3,8 +3,10 @@ DefaultContentLanguage: en
 languageCode: en-us
 title: "Pierre-Olivier Mercier's blog"
 theme: beautifulhugo
+pygmentsStyle: "trac"
 pygmentsUseClasses: true
 pygmentsCodeFences: true
+pygmentsCodefencesGuessSyntax: true
 
 params:
   logo: img/mug.jpg