diff --git a/gestion/ldap_crans.py b/gestion/ldap_crans.py
index bd04020f..f71e2c8e 100755
--- a/gestion/ldap_crans.py
+++ b/gestion/ldap_crans.py
@@ -2029,7 +2029,11 @@ class Adherent(BaseProprietaire):
         """
 
         if isinstance(valeur, bool):
-            self._set('adherentPayant', valeur and [] or ['FALSE'])
+            if valeur:
+                set_to = []
+            else:
+                set_to = ['FALSE']
+            self._set('adherentPayant', set_to)
         elif valeur is not None:
             raise ValueError, u"adherentPayant prend un booléen comme argument"