diff --git a/src/backend/optimizer/plan/createplan.c b/src/backend/optimizer/plan/createplan.c
index 9941dfe65e..08d43c270e 100644
--- a/src/backend/optimizer/plan/createplan.c
+++ b/src/backend/optimizer/plan/createplan.c
@@ -2118,7 +2118,7 @@ create_agg_plan(PlannerInfo *root, AggPath *best_path)
 	 * Agg can project, so no need to be terribly picky about child tlist, but
 	 * we do need grouping columns to be available
 	 */
-	subplan = create_plan_recurse(root, best_path->subpath, CP_LABEL_TLIST);
+	subplan = create_plan_recurse(root, best_path->subpath, CP_SMALL_TLIST);
 
 	tlist = build_path_tlist(root, &best_path->path);