diff --git a/app/models/formsemestre.py b/app/models/formsemestre.py
index d92c375fb..ceea7eb60 100644
--- a/app/models/formsemestre.py
+++ b/app/models/formsemestre.py
@@ -312,7 +312,7 @@ class FormSemestre(db.Model):
 
     def mois_fin(self) -> str:
         "Jul  2022"
-        return f"{MONTH_NAMES_ABBREV[self.date_fin.month - 1]} {self.date_debut.year}"
+        return f"{MONTH_NAMES_ABBREV[self.date_fin.month - 1]} {self.date_fin.year}"
 
     def session_id(self) -> str:
         """identifiant externe de semestre de formation