diff --git a/processing/src/main/java/org/apache/druid/query/groupby/GroupByQueryQueryToolChest.java b/processing/src/main/java/org/apache/druid/query/groupby/GroupByQueryQueryToolChest.java
index b5712ebdda38..078d1bb18da1 100644
--- a/processing/src/main/java/org/apache/druid/query/groupby/GroupByQueryQueryToolChest.java
+++ b/processing/src/main/java/org/apache/druid/query/groupby/GroupByQueryQueryToolChest.java
@@ -47,6 +47,7 @@
 import org.apache.druid.query.FrameSignaturePair;
 import org.apache.druid.query.IterableRowsCursorHelper;
 import org.apache.druid.query.Query;
+import org.apache.druid.query.QueryContexts;
 import org.apache.druid.query.QueryDataSource;
 import org.apache.druid.query.QueryPlus;
 import org.apache.druid.query.QueryResourceId;
@@ -271,6 +272,9 @@ private Sequence<ResultRow> mergeGroupByResultsWithoutPushDown(
         if (((QueryDataSource) dataSource).getQuery().getContext() != null) {
           subqueryContext.putAll(((QueryDataSource) dataSource).getQuery().getContext());
         }
+        if (canPerformSubquery(((QueryDataSource) dataSource).getQuery())) {
+          subqueryContext.put(QueryContexts.FINALIZE_KEY, true);
+        }
         subqueryContext.put(GroupByQuery.CTX_KEY_SORT_BY_DIMS_FIRST, false);
         subquery = (GroupByQuery) ((QueryDataSource) dataSource).getQuery().withOverriddenContext(subqueryContext);