diff --git a/app/models/__init__.py b/app/models/__init__.py
index b4eea1636d..ed0b3bac28 100644
--- a/app/models/__init__.py
+++ b/app/models/__init__.py
@@ -79,7 +79,7 @@ class ScoDocModel:
         # virtual, by default, do nothing
         return args
 
-    def from_dict(self, args: dict, excluded: set[str] = None):
+    def from_dict(self, args: dict, excluded: set[str] | None = None):
         "Update object's fields given in dict. Add to session but don't commit."
         args_dict = self.convert_dict_fields(
             self.filter_model_attributes(args, excluded=excluded)
diff --git a/app/models/etudiants.py b/app/models/etudiants.py
index d0344166c0..a7ecf2dfe2 100644
--- a/app/models/etudiants.py
+++ b/app/models/etudiants.py
@@ -376,7 +376,7 @@ class Identite(db.Model, models.ScoDocModel):
                 elif key == "civilite_etat_civil":
                     value = input_civilite_etat_civil(value)
                 elif key == "boursier":
-                    value = bool(value)
+                    value = scu.to_bool(value)
                 elif key == "date_naissance":
                     value = ndb.DateDMYtoISO(value)
                 args_dict[key] = value
diff --git a/sco_version.py b/sco_version.py
index f2743e4338..1522700f64 100644
--- a/sco_version.py
+++ b/sco_version.py
@@ -1,7 +1,7 @@
 # -*- mode: python -*-
 # -*- coding: utf-8 -*-
 
-SCOVERSION = "9.6.61"
+SCOVERSION = "9.6.62"
 
 SCONAME = "ScoDoc"
 
diff --git a/tests/api/test_api_etudiants.py b/tests/api/test_api_etudiants.py
index ab29e432e6..208ff1e827 100644
--- a/tests/api/test_api_etudiants.py
+++ b/tests/api/test_api_etudiants.py
@@ -971,10 +971,12 @@ def test_etudiant_create(api_headers):
         f"/etudiant/etudid/{etudid}/edit",
         {
             "civilite": "F",
+            "boursier": "N",
         },
         headers=admin_header,
     )
     assert etud["civilite"] == "F"
+    assert not etud["boursier"]
     assert etud["nom"] == args["nom"].upper()
     assert etud["admission"]["commentaire"] == args["admission"]["commentaire"]
     assert etud["admission"]["annee_bac"] == args["admission"]["annee_bac"]
@@ -999,7 +1001,9 @@ def test_etudiant_create(api_headers):
             "admission": {
                 "commentaire": "un nouveau commentaire",
             },
+            "boursier": "O",  # "oui", should be True
         },
         headers=admin_header,
     )
     assert etud["admission"]["commentaire"] == "un nouveau commentaire"
+    assert etud["boursier"]