diff --git a/jl-cours/jl-cours.cls b/jl-cours/jl-cours.cls
index c0e3ba0..2ec8bd9 100644
--- a/jl-cours/jl-cours.cls
+++ b/jl-cours/jl-cours.cls
@@ -345,6 +345,14 @@
 
   \vspace{.2cm}
 }
+
+%% \nonumbering
+%% deactivate page numbering in footer
+%%
+\NewDocumentCommand \nonumbering{ }{
+  \cefoot*{}
+  \cofoot*{}
+}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%