diff --git a/litellm/proxy/management_endpoints/common_utils.py b/litellm/proxy/management_endpoints/common_utils.py
index adf89c29279..48a2f22eb64 100644
--- a/litellm/proxy/management_endpoints/common_utils.py
+++ b/litellm/proxy/management_endpoints/common_utils.py
@@ -789,7 +789,7 @@ def _update_metadata_field(updated_kv: dict, field_name: str) -> None:
         # only for a truthy value. The falsy value is still persisted below so a
         # previously-set field can be cleared.
         if updated_kv.get(field_name):
-            premium_user_check()
+            premium_user_check(field_name)
 
     if field_name in updated_kv and updated_kv[field_name] is not None:
         # remove field from updated_kv
diff --git a/tests/unit/proxy/management_endpoints/test_common_utils.py b/tests/unit/proxy/management_endpoints/test_common_utils.py
index 21d017addca..88acd260b7e 100644
--- a/tests/unit/proxy/management_endpoints/test_common_utils.py
+++ b/tests/unit/proxy/management_endpoints/test_common_utils.py
@@ -1307,6 +1307,15 @@ class TestSetObjectMetadataFieldPremiumArg:
             mock_premium.assert_called_once_with("guardrails")
 
 
+class TestUpdateMetadataFieldLicenseError:
+    def test_license_error_names_the_blocking_field(self):
+        with patch("litellm.proxy.proxy_server.premium_user", False):
+            with pytest.raises(HTTPException) as exc_info:
+                update_metadata_fields({"team_id": "t1", "guardrails": ["g1"]})
+        assert exc_info.value.status_code == 403
+        assert "guardrails" in exc_info.value.detail["error"]
+
+
 class TestUpdateMetadataFieldMove:
     def test_none_valued_field_is_not_moved_into_metadata(self):
         """A None value must leave the field untouched (guard requires non-None)."""