diff --git a/avisstage/forms.py b/avisstage/forms.py
index 0fa83b8..79b926d 100644
--- a/avisstage/forms.py
+++ b/avisstage/forms.py
@@ -71,7 +71,7 @@ class StageForm(forms.ModelForm):
     def save(self, commit=True):
         if self.instance.id is None and hasattr(self, 'request'):
                 self.instance.auteur = self.request.user.profil
-        self.date_maj = timezone.now()
+        self.instance.date_maj = timezone.now()
         stage = super(StageForm, self).save(commit=commit)
         return stage