diff --git a/backend/geonature/tests/fixtures.py b/backend/geonature/tests/fixtures.py
index 9c2820a23e..a660154f32 100644
--- a/backend/geonature/tests/fixtures.py
+++ b/backend/geonature/tests/fixtures.py
@@ -615,14 +615,13 @@ def synthese_sensitive_data(app, users, datasets, source):
             data[name] = s
 
     # Assert that obs_sensitive_protected is a sensitive observation
-    nomenclature_not_sensitive = (
+    id_nomenclature_not_sensitive = (
         TNomenclatures.query.filter(
             TNomenclatures.nomenclature_type.has(BibNomenclaturesTypes.mnemonique == "SENSIBILITE")
         )
         .filter(TNomenclatures.cd_nomenclature == "0")
         .one()
-    )
-    id_nomenclature_not_sensitive = nomenclature_not_sensitive.id_nomenclature
+    ).id_nomenclature
 
     synthese_to_assert = Synthese.query.filter(
         Synthese.id_synthese.in_(