diff --git a/commun/commun.sty b/commun/commun.sty
index 63f5c46..224d38b 100644
--- a/commun/commun.sty
+++ b/commun/commun.sty
@@ -32,6 +32,7 @@
 	\RequirePackage{polyglossia}					% => babel
 	\setdefaultlanguage{french}						% => inputenc
 	\RequirePackage{luatextra}						% charge fontspec => fontenc
+	\defaultfontfeatures{Ligatures=TeX}
 \else
 	\RequirePackage[francais]{babel}				% => polyglossia
 	\RequirePackage[utf8]{inputenc}					% => fontspec