diff --git a/src/backend/optimizer/plan/planner.c b/src/backend/optimizer/plan/planner.c
index 6b79b3a..9da0bca 100644
--- a/src/backend/optimizer/plan/planner.c
+++ b/src/backend/optimizer/plan/planner.c
@@ -1056,6 +1056,7 @@ inheritance_planner(PlannerInfo *root)
 	Index		rti;
 	RangeTblEntry *parent_rte;
 	List	   *partitioned_rels = NIL;
+	bool		is_parent_partitioned;
 
 	Assert(parse->commandType != CMD_INSERT);
 
@@ -1123,7 +1124,10 @@ inheritance_planner(PlannerInfo *root)
 	 */
 	parent_rte = rt_fetch(parentRTindex, root->parse->rtable);
 	if (parent_rte->relkind == RELKIND_PARTITIONED_TABLE)
+	{
 		nominalRelation = parentRTindex;
+		is_parent_partitioned = true;
+	}
 
 	/*
 	 * And now we can get on with generating a plan for each child table.
@@ -1368,7 +1372,7 @@ inheritance_planner(PlannerInfo *root)
 		Assert(!parse->onConflict);
 	}
 
-	if (parent_rte->relkind == RELKIND_PARTITIONED_TABLE)
+	if (is_parent_partitioned)
 	{
 		partitioned_rels = get_partitioned_child_rels(root, parentRTindex);
 		/* The root partitioned table is included as a child rel */