diff --git a/app/models/absences.py b/app/models/absences.py
index 8653e5265c..e6e243b7c0 100644
--- a/app/models/absences.py
+++ b/app/models/absences.py
@@ -73,3 +73,17 @@ class BilletAbsence(db.Model):
     entry_date = db.Column(db.DateTime(timezone=True), server_default=db.func.now())
     # true si l'absence _pourrait_ etre justifiée
     justified = db.Column(db.Boolean(), default=False, server_default="false")
+
+    def to_dict(self):
+        data = {
+            "id": self.id,
+            "billet_id": self.id,
+            "etudid": self.etudid,
+            "abs_begin": self.abs_begin,
+            "abs_end": self.abs_begin,
+            "description": self.description,
+            "etat": self.etat,
+            "entry_date": self.entry_date,
+            "justified": self.justified,
+        }
+        return data
diff --git a/app/views/absences.py b/app/views/absences.py
index 2b1df49759..7120e9909b 100644
--- a/app/views/absences.py
+++ b/app/views/absences.py
@@ -72,6 +72,7 @@ from app.decorators import (
 from app.views import absences_bp as bp
 
 # ---------------
+from app.models.absences import BilletAbsence
 from app.scodoc import sco_utils as scu
 from app.scodoc import notesdb as ndb
 from app import log
@@ -1252,8 +1253,15 @@ def XMLgetBilletsEtud(etudid=False):
 @scodoc7func
 def listeBillets():
     """Page liste des billets non traités et formulaire recherche d'un billet"""
-    cnx = ndb.GetDBConnexion()
-    billets = sco_abs.billet_absence_list(cnx, {"etat": False})
+    # utilise Flask, jointure avec departement de l'étudiant
+    billets = (
+        BilletAbsence.query.filter_by(etat=False)
+        .join(BilletAbsence.etudiant, aliased=True)
+        .filter_by(dept_id=g.scodoc_dept_id)
+    )
+    # reconverti en dict pour les fonctions scodoc7
+    billets = [b.to_dict() for b in billets]
+    #
     tab = _tableBillets(billets)
     T = tab.html()
     H = [