diff --git a/spid_cie_oidc/authority/tests/test_06_advanced_entity_listing.py b/spid_cie_oidc/authority/tests/test_06_advanced_entity_listing.py
index 7a822d85..be358f7b 100644
--- a/spid_cie_oidc/authority/tests/test_06_advanced_entity_listing.py
+++ b/spid_cie_oidc/authority/tests/test_06_advanced_entity_listing.py
@@ -15,7 +15,7 @@ def setUp(self):
         rp_onboarding_data_local = deepcopy(rp_onboarding_data)
         rp_onboarding_data_local["sub"] = "http://rp-test.it/oidc/rplocal/"
         FederationDescendant.objects.create(**rp_onboarding_data_local)
-        FederationEntityConfiguration.objects.create(**ta_conf_data)
+        self.ta = FederationEntityConfiguration.objects.create(**ta_conf_data)
 
     @override_settings(MAX_ENTRIES_PAGE=1)
     def test_advanced_entity_listing_1(self):
diff --git a/spid_cie_oidc/authority/views.py b/spid_cie_oidc/authority/views.py
index 93780265..4efaa16a 100644
--- a/spid_cie_oidc/authority/views.py
+++ b/spid_cie_oidc/authority/views.py
@@ -156,10 +156,18 @@ def advanced_entity_listing(request):
     ).order_by("-modified")
     entities_list = []
     for descendant in desecendants:
+        try:
+            _ss = descendant.entity_statement_as_jws()
+        except AttributeError as e:
+            logger.warning(
+                f"Subordinate {descendant} missing authority hint: {e}"
+            )
+            continue
+
         entity = {
             descendant.sub : {
                 "iat" : int(descendant.modified.timestamp()),
-                "subordinate_statement": descendant.entity_statement_as_jws()
+                "subordinate_statement": _ss
             }
         }
         entities_list.append(entity)