diff --git a/backend/gn_module_monitoring/tests/fixtures/site.py b/backend/gn_module_monitoring/tests/fixtures/site.py
index 93e695fce..0edadeb05 100644
--- a/backend/gn_module_monitoring/tests/fixtures/site.py
+++ b/backend/gn_module_monitoring/tests/fixtures/site.py
@@ -1,4 +1,5 @@
 import pytest
+import json
 from geoalchemy2.shape import from_shape
 from geonature.utils.env import db
 from shapely.geometry import Point
@@ -29,9 +30,9 @@ def sites(users, types_site, site_group_with_sites):
     sites["no-type"] = TMonitoringSites(
         id_inventor=user.id_role,
         id_digitiser=user.id_role,
-        base_site_name=f"no-type",
-        base_site_description=f"Description-no-type",
-        base_site_code=f"Code-no-type",
+        base_site_name="no-type",
+        base_site_description="Description-no-type",
+        base_site_code="Code-no-type",
         geom=geom_4326,
         # Random id_nomenclature_type_site
         # FIXME: when id_nomenclature_type_site disapears => remove this line
@@ -77,9 +78,15 @@ def site_to_post_with_types(users, types_site, site_group_without_sites):
         post_data["dataComplement"][type_site_dic["label"]] = copy_dic
 
     post_data["dataComplement"]["types_site"] = list_nomenclature_id
+
     post_data["properties"] = MonitoringSitesSchema().dump(site_to_post_with_types)
+
+    post_data["geometry"] = json.loads(post_data["properties"].pop("geometry"))
+
+    post_data["type"] = "Feature"
     post_data["properties"]["types_site"] = list_nomenclature_id
 
+
     for type_site in mock_db_type_site:
         specific_config = type_site["config"]["specific"]
         for key_specific in specific_config: