diff --git a/app/models/groups.py b/app/models/groups.py
index b8fb5f46d..a4a5792f6 100644
--- a/app/models/groups.py
+++ b/app/models/groups.py
@@ -12,6 +12,7 @@ from sqlalchemy.exc import IntegrityError
 
 from app import db, log
 from app.models import Scolog, GROUPNAME_STR_LEN, SHORT_STR_LEN
+from app.models.etudiants import Identite
 from app.scodoc import sco_cache
 from app.scodoc import sco_utils as scu
 from app.scodoc.sco_exceptions import AccessDenied, ScoValueError
@@ -50,7 +51,7 @@ class Partition(db.Model):
         backref=db.backref("partition", lazy=True),
         lazy="dynamic",
         cascade="all, delete-orphan",
-        order_by="GroupDescr.numero",
+        order_by="GroupDescr.numero, GroupDescr.group_name",
     )
 
     def __init__(self, **kwargs):
@@ -240,6 +241,21 @@ class GroupDescr(db.Model):
             d["partition"] = self.partition.to_dict(with_groups=False)
         return d
 
+    def get_nb_inscrits(self) -> int:
+        """Nombre inscrits à ce group et au formsemestre.
+        C'est nécessaire car lors d'une désinscription, on conserve l'appartenance
+        aux groupes pour facilier une éventuelle ré-inscription.
+        """
+        from app.models.formsemestre import FormSemestreInscription
+
+        return (
+            Identite.query.join(group_membership)
+            .filter_by(group_id=self.id)
+            .join(FormSemestreInscription)
+            .filter_by(formsemestre_id=self.partition.formsemestre.id)
+            .count()
+        )
+
     @classmethod
     def check_name(
         cls, partition: "Partition", group_name: str, existing=False, default=False
diff --git a/app/scodoc/sco_formsemestre_status.py b/app/scodoc/sco_formsemestre_status.py
index 260ba77dd..d35d9d94c 100755
--- a/app/scodoc/sco_formsemestre_status.py
+++ b/app/scodoc/sco_formsemestre_status.py
@@ -828,7 +828,7 @@ def _make_listes_sem(formsemestre: FormSemestre) -> str:
     # Genere liste pour chaque partition (categorie de groupes)
     for partition in formsemestre.get_partitions_list():
         groups = partition.groups.all()
-        effectifs = {g.id: g.etuds.count() for g in groups}
+        effectifs = {g.id: g.get_nb_inscrits() for g in groups}
         partition_is_empty = sum(effectifs.values()) == 0
         H.append(
             f"""