diff --git a/gestion/chgpass.py b/gestion/chgpass.py
index 23957be0..db77227b 100755
--- a/gestion/chgpass.py
+++ b/gestion/chgpass.py
@@ -25,7 +25,7 @@ import lc_ldap.attributs
 import lc_ldap.objets
 import smtplib
 
-encoding = "UTF-8"
+encoding = sys.stdout.encoding or "UTF-8"
 current_user = os.getenv("SUDO_USER") or os.getenv("USER") or os.getenv("LOGNAME") or getpass.getuser()
 
 def check_password(password, no_cracklib=False, dialog=False):