diff --git a/app/models/assiduites.py b/app/models/assiduites.py
index 15018a8e39..f343016a3c 100644
--- a/app/models/assiduites.py
+++ b/app/models/assiduites.py
@@ -72,7 +72,8 @@ class Assiduite(db.Model):
         if format_api:
             etat = EtatAssiduite.inverse().get(self.etat).name
             if self.user_id is not None:
-                user: User = User.query.get(self.user_id)
+                user: User = db.session.get(User, self.user_id)
+
                 if user is None:
                     username = "Non renseigné"
                 else:
@@ -224,7 +225,7 @@ class Justificatif(db.Model):
         if format_api:
             etat = EtatJustificatif.inverse().get(self.etat).name
             if self.user_id is not None:
-                user: User = User.query.get(self.user_id)
+                user: User = db.session.get(User, self.user_id)
                 if user is None:
                     username = "Non renseigné"
                 else:
diff --git a/app/scodoc/sco_archives_justificatifs.py b/app/scodoc/sco_archives_justificatifs.py
index a121ded85e..0030d203a6 100644
--- a/app/scodoc/sco_archives_justificatifs.py
+++ b/app/scodoc/sco_archives_justificatifs.py
@@ -65,12 +65,12 @@ class Trace:
             file.write("\n".join(lines))
 
     def get_trace(
-        self, fnames: list[str] = ()
+        self, fnames: list[str] = None
     ) -> dict[str, list[datetime, datetime, str]]:
         """Récupère la trace pour les noms de fichiers.
         si aucun nom n'est donné, récupère tous les fichiers"""
 
-        if fnames is None or len(fnames) == 0:
+        if fnames is None:
             return self.content
 
         traced: dict = {}
@@ -187,8 +187,9 @@ class JustificatifArchiver(BaseArchiver):
         filenames = self.list_archive(archive_id)
         trace: Trace = Trace(self.get_obj_dir(etudid))
         traced = trace.get_trace(filenames)
+        retour = [(key, value[2]) for key, value in traced.items()]
 
-        return [(key, value[2]) for key, value in traced.items()]
+        return retour
 
     def get_justificatif_file(self, archive_name: str, etudid: int, filename: str):
         """
diff --git a/tests/api/test_api_justificatifs.py b/tests/api/test_api_justificatifs.py
index a08ad9daa7..68f65792ef 100644
--- a/tests/api/test_api_justificatifs.py
+++ b/tests/api/test_api_justificatifs.py
@@ -376,13 +376,15 @@ def test_list_justificatifs(api_admin_headers):
 
     res: list = GET("/justificatif/1/list", api_admin_headers)
 
-    assert isinstance(res, list)
-    assert len(res) == 2
+    assert isinstance(res, dict)
+    assert len(res["filenames"]) == 2
+    assert res["total"] == 2
 
     res: list = GET("/justificatif/2/list", api_admin_headers)
 
-    assert isinstance(res, list)
-    assert len(res) == 0
+    assert isinstance(res, dict)
+    assert len(res["filenames"]) == 0
+    assert res["total"] == 0
 
     # Mauvais fonctionnement
 
@@ -439,7 +441,9 @@ def test_remove_justificatif(api_admin_headers):
         "/justificatif/1/remove", {"remove": "all"}, api_admin_headers
     )
     assert res == {"response": "removed"}
-    assert len(GET("/justificatif/1/list", api_admin_headers)) == 0
+    l = GET("/justificatif/1/list", api_admin_headers)
+    assert isinstance(l, dict)
+    assert l["total"] == 0
 
     res: dict = POST_JSON(
         "/justificatif/2/remove",
@@ -447,7 +451,9 @@ def test_remove_justificatif(api_admin_headers):
         api_admin_headers,
     )
     assert res == {"response": "removed"}
-    assert len(GET("/justificatif/2/list", api_admin_headers)) == 1
+    l = GET("/justificatif/2/list", api_admin_headers)
+    assert isinstance(l, dict)
+    assert l["total"] == 1
 
     res: dict = POST_JSON(
         "/justificatif/2/remove",
@@ -455,7 +461,9 @@ def test_remove_justificatif(api_admin_headers):
         api_admin_headers,
     )
     assert res == {"response": "removed"}
-    assert len(GET("/justificatif/2/list", api_admin_headers)) == 0
+    l = GET("/justificatif/2/list", api_admin_headers)
+    assert isinstance(l, dict)
+    assert l["total"] == 0
 
     # Mauvais fonctionnement