diff --git a/Teacher/easycom b/Teacher/easycom
index e0681ba88a521878cb5d87029628968674e1cdf3..82b260e58575e81541fcf325cae987a578c28397 100644
--- a/Teacher/easycom
+++ b/Teacher/easycom
@@ -61,7 +61,7 @@ class ConnectionHandler:
 
 
 checkedRoom = False
-roomChoice = Null
+roomChoice = None
 
 while not checkedRoom:
     print("Salles disponibles : ")