diff --git a/app/scodoc/sco_inscr_passage.py b/app/scodoc/sco_inscr_passage.py
index d486b2427..ab27ecdae 100644
--- a/app/scodoc/sco_inscr_passage.py
+++ b/app/scodoc/sco_inscr_passage.py
@@ -292,6 +292,8 @@ def formsemestre_inscr_passage(
         etuds = [int(x) for x in etuds.split(",") if x]
     elif isinstance(etuds, int):
         etuds = [etuds]
+    elif etuds and isinstance(etuds[0], str):
+        etuds = [int(x) for x in etuds]
 
     auth_etuds_by_sem, inscrits, candidats = list_authorized_etuds_by_sem(sem)
     etuds_set = set(etuds)