diff --git a/app/models/formsemestre.py b/app/models/formsemestre.py
index 316811c4fc..7a55e16b7d 100644
--- a/app/models/formsemestre.py
+++ b/app/models/formsemestre.py
@@ -181,7 +181,7 @@ class FormSemestre(db.Model):
         """
         d = dict(self.__dict__)
         d.pop("_sa_instance_state", None)
-        d["annee_scolaire"] = self.annee_scolaire_str()
+        d["annee_scolaire"] = self.annee_scolaire()
         if self.date_debut:
             d["date_debut"] = self.date_debut.strftime("%d/%m/%Y")
             d["date_debut_iso"] = self.date_debut.isoformat()