diff --git a/superset/views/core.py b/superset/views/core.py
index 4e742b5dda..ff5b2f631f 100755
--- a/superset/views/core.py
+++ b/superset/views/core.py
@@ -1378,7 +1378,7 @@ class Superset(BaseSupersetView):  # pylint: disable=too-many-public-methods
     @has_access_api
     @event_logger.log_this
     @expose("/add_slices/<int:dashboard_id>/", methods=("POST",))
-    @deprecated(new_target="api/v1/chart/<id>/")
+    @deprecated(new_target="api/v1/chart/<chart_id>")
     def add_slices(  # pylint: disable=no-self-use
         self, dashboard_id: int
     ) -> FlaskResponse: