diff --git a/apptax/taxonomie/models.py b/apptax/taxonomie/models.py
index 49e94a0e..90dcfe9c 100644
--- a/apptax/taxonomie/models.py
+++ b/apptax/taxonomie/models.py
@@ -216,6 +216,10 @@ def where_id_liste(cls, id_liste, *, query):
     def where_params(cls, filters=None, *, query):
 
         for filter in filters:
+            # Test empty values
+            if not filters[filter]:
+                continue
+
             if hasattr(Taxref, filter) and isinstance(filters[filter], list):
                 col = getattr(Taxref, filter)
                 query = query.filter(col.in_(tuple(filters[filter])))
diff --git a/apptax/taxonomie/routestaxref.py b/apptax/taxonomie/routestaxref.py
index abf500d3..a31088c3 100644
--- a/apptax/taxonomie/routestaxref.py
+++ b/apptax/taxonomie/routestaxref.py
@@ -163,10 +163,13 @@ def get_taxref_list():
     page = request.values.get("page", 1, int)
     id_liste = None
     cd_nom = None
+
     if "id_liste" in request.values:
-        id_liste = request.values.get("id_liste").split(",")
+        id_liste = (
+            request.values.get("id_liste").split(",") if request.values.get("id_liste") else None
+        )
     if "cd_nom" in request.values:
-        cd_nom = request.values.get("cd_nom").split(",")
+        cd_nom = request.values.get("cd_nom").split(",") if request.values.get("cd_nom") else None
 
     fields = request.values.get("fields", type=str, default=[])
     parameters = request.values.to_dict()
@@ -187,7 +190,6 @@ def get_taxref_list():
 
     if id_liste and "-1" not in id_liste:
         query = Taxref.where_id_liste(id_liste, query=query)
-
     count_filter = db.session.scalar(
         db.select(func.count()).select_from(
             Taxref.where_params(parameters, query=query),
diff --git a/apptax/tests/test_taxref.py b/apptax/tests/test_taxref.py
index cea8cf17..fe78249d 100644
--- a/apptax/tests/test_taxref.py
+++ b/apptax/tests/test_taxref.py
@@ -308,6 +308,7 @@ def test_get_taxref_list(self, liste_with_names):
 
     def test_get_taxref_list_filters_cd_noms(self):
         # Test de la route taxref avec des filtres sur le cd_nom
+        # 1 cd_nom
         response = self.client.get(
             url_for("taxref.get_taxref_list"),
             query_string={"cd_nom": 103536},
@@ -315,8 +316,16 @@ def test_get_taxref_list_filters_cd_noms(self):
         assert response.status_code == 200
         assert len(response.json["items"]) == 1
 
+        # Plusieurs cd_nom
         response = self.client.get(
             url_for("taxref.get_taxref_list"),
             query_string={"cd_nom": "103536, 461885,2891"},
         )
         assert len(response.json["items"]) == 3
+
+        # Valeur vide
+        response = self.client.get(
+            url_for("taxref.get_taxref_list"),
+            query_string={"cd_nom": ""},
+        )
+        assert response.status_code == 200