diff --git a/config.toml b/config.toml
index 217ce30..1e3c282 100644
--- a/config.toml
+++ b/config.toml
@@ -3,7 +3,7 @@ languageCode = "fr"
 defaultContentLanguage = "fr"
 title = "Licence pro ADSILLH - Cours et TD"
 pygmentsCodeFences = true
-pygmentsUseClasses = true
+pygmentsUseClasses = false
 theme = "mainroad"
 rssLimit = 10
 paginate = 10