diff --git a/app/scodoc/sco_formsemestre_inscriptions.py b/app/scodoc/sco_formsemestre_inscriptions.py
index 2c4fd681..f14bd06b 100644
--- a/app/scodoc/sco_formsemestre_inscriptions.py
+++ b/app/scodoc/sco_formsemestre_inscriptions.py
@@ -266,7 +266,7 @@ def do_formsemestre_desinscription(etudid, formsemestre_id):
 def do_formsemestre_inscription_with_modules(
     formsemestre_id,
     etudid,
-    group_ids=[],
+    group_ids: list = None,
     etat=scu.INSCRIT,
     etape=None,
     method="inscription_with_modules",
@@ -274,6 +274,9 @@ def do_formsemestre_inscription_with_modules(
     """Inscrit cet etudiant à ce semestre et TOUS ses modules STANDARDS
     (donc sauf le sport)
     """
+    group_ids = group_ids or []
+    if isinstance(group_ids, int):
+        group_ids = [group_ids]
     formsemestre = FormSemestre.query.get_or_404(formsemestre_id)
     # inscription au semestre
     args = {"formsemestre_id": formsemestre_id, "etudid": etudid}