diff --git a/attributs.py b/attributs.py
index f43d22a..14f38c4 100644
--- a/attributs.py
+++ b/attributs.py
@@ -191,11 +191,11 @@ class yearAttr(intAttr):
         self.value = int(val)
 
 
-class paiement(intAttr):
+class paiement(yearAttr):
     legend = u"Paiement"
 
 
-class carteEtudiant(intAttr):
+class carteEtudiant(yearAttr):
     legend = u"Carte d'étudiant"