diff --git a/cours/cours_beamer.cls b/cours/cours_beamer.cls
index 248db32..8513c45 100644
--- a/cours/cours_beamer.cls
+++ b/cours/cours_beamer.cls
@@ -35,8 +35,8 @@
 \useinnertheme{circles}
 \useoutertheme{default}
 \usefonttheme{serif}
-\setbeamerfont{enumerate item}{family=\sffamily}
-\setbeamertemplate{enumerate item}{\insertenumlabel.}
+\setbeamerfont{enumerate item}{family=\rmfamily}
+\setbeamertemplate{enumerate item}{\textbf{\insertenumlabel.}}
 
 \setbeamertemplate{navigation symbols}{%
 	\insertframenavigationsymbol