diff --git a/posthog/hogql_queries/legacy_compatibility/test/test_filter_to_query.py b/posthog/hogql_queries/legacy_compatibility/test/test_filter_to_query.py
index 69407b235c05b..6b98d3d017093 100644
--- a/posthog/hogql_queries/legacy_compatibility/test/test_filter_to_query.py
+++ b/posthog/hogql_queries/legacy_compatibility/test/test_filter_to_query.py
@@ -928,7 +928,7 @@ def test_full_trend(self):
 
         self.assertEqual(
             query.model_dump(exclude_defaults=True),
-            {"breakdownFilter": {}, "dateRange": {}, "series": [], "trendsFilter": {}},
+            {"breakdownFilter": {}, "dateRange": {}, "compareFilter": {}, "series": [], "trendsFilter": {}},
         )
 
     def test_base_funnel(self):