diff --git a/src/ref_geo/routes.py b/src/ref_geo/routes.py
index 460354c..3cb6a50 100644
--- a/src/ref_geo/routes.py
+++ b/src/ref_geo/routes.py
@@ -210,17 +210,19 @@ def get_areas():
         query = query.where(LAreas.enable == True)
 
     if "id_type" in params:
-        query = query.where(LAreas.id_type.in_(params.getlist("id_type")))
+        # getlist() of request.args does not use the syntax url?param=val1,val2
+        id_type = params.get("id_type").split(",")
+        query = query.where(LAreas.id_type.in_(id_type))
 
     if "type_code" in params:
-        query = query.where(
-            LAreas.area_type.has(BibAreasTypes.type_code.in_(params.getlist("type_code")))
-        )
+        # getlist() of request.args does not use the syntax url?param=val1,val2
+        type_code = params.get("type_code").split(",")
+        query = query.where(LAreas.area_type.has(BibAreasTypes.type_code.in_(type_code)))
 
     if "area_name" in params:
         query = query.where(LAreas.area_name.ilike("%{}%".format(params.get("area_name"))))
 
-    without_geom = params.get("without_geom", False, lambda x: x == "true")
+    without_geom = request.args.get("without_geom", False, lambda x: x == "true")
     if without_geom:
         query = query.options(defer("geom"))
         marsh_params["exclude"] = ["geom"]
diff --git a/src/ref_geo/tests/test_ref_geo.py b/src/ref_geo/tests/test_ref_geo.py
index d490445..d54280e 100644
--- a/src/ref_geo/tests/test_ref_geo.py
+++ b/src/ref_geo/tests/test_ref_geo.py
@@ -46,6 +46,11 @@ def area_commune():
     return db.session.execute(select(BibAreasTypes).filter_by(type_code="COM")).scalar_one()
 
 
+@pytest.fixture(scope="function")
+def area_departement():
+    return db.session.execute(select(BibAreasTypes).filter_by(type_code="DEP")).scalar_one()
+
+
 @pytest.mark.usefixtures("client_class", "temporary_transaction")
 class TestRefGeo:
     expected_altitude = pytest.approx({"altitude_min": 984, "altitude_max": 2335}, rel=1e-2)
@@ -290,6 +295,20 @@ def test_get_areas_type_code(self, area_commune):
         assert response.status_code == 200
         assert all(area["id_type"] == area_commune.id_type for area in response.json)
 
+    def test_get_areas_type_codes(self, area_commune, area_departement):
+
+        type_codes = [area_commune.type_code, area_departement.type_code]
+
+        response = self.client.get(
+            url_for("ref_geo.get_areas"), query_string={"type_code": ",".join(type_codes)}
+        )
+
+        assert response.status_code == 200
+        assert all(
+            area["id_type"] in [area_commune.id_type, area_departement.id_type]
+            for area in response.json
+        )
+
     def test_get_areas_area_name(self):
         response = self.client.get(url_for("ref_geo.get_areas"), query_string={"area_name": CITY})