diff --git a/Configuration.org b/Configuration.org
index b9b9be45d195a1bb58e9589e02d10802c2748fe5..066baef017573bde172e0174f655b97d96a89b2b 100644
--- a/Configuration.org
+++ b/Configuration.org
@@ -599,6 +599,12 @@ Attention pour que la configuration fonctionne, il faut installer
 #+BEGIN_SRC emacs-lisp
   (setq py-python-command "python3")
   (setq python-shell-interpreter "python3")
+
+  (add-hook 'python-mode-hook
+        (lambda ()
+          (setq indent-tabs-mode nil)
+          (setq tab-width 4)
+          (setq python-indent-offset 4)))
 #+END_SRC
 
 ** YASnippet