diff --git a/S2/TP4/analyse_tris.py b/S2/TP4/analyse_tris.py
index 04be1cb..64f5be2 100644
--- a/S2/TP4/analyse_tris.py
+++ b/S2/TP4/analyse_tris.py
@@ -162,7 +162,7 @@ def liste_decroissante(n):
     """
     assert type(n) == int and n >= 0
 
-    return list(range(n - 1, 0, -1))
+    return list(range(n - 1, -1, -1))
 
 question(3)