diff --git a/gestion/gen_confs/adherents.py b/gestion/gen_confs/adherents.py
index ca8b3436..376bfc61 100644
--- a/gestion/gen_confs/adherents.py
+++ b/gestion/gen_confs/adherents.py
@@ -182,7 +182,7 @@ class home:
                     if os.path.exists(os.path.join(home, ".forward")):
                         write_in_forward = False
                     if write_in_forward:
-                        with open(os.path.join(home + '.forward'), 'w') as forward_file:
+                        with open(os.path.join(home, '.forward'), 'w') as forward_file:
                             forward_file.write(mail_redirect + '\n')
 
                     os.chown(home + '/.forward', int(uid), gid)