diff --git a/src/backend/optimizer/plan/setrefs.c b/src/backend/optimizer/plan/setrefs.c
index b56666398e..042036b11b 100644
--- a/src/backend/optimizer/plan/setrefs.c
+++ b/src/backend/optimizer/plan/setrefs.c
@@ -1546,6 +1546,10 @@ clean_up_removed_plan_level(Plan *parent, Plan *child)
 	child->initPlan = list_concat(parent->initPlan,
 								  child->initPlan);
 
+	/* If we moved down any initplans, child is no longer parallel-safe */
+	if (child->initPlan)
+		child->parallel_safe = false;
+
 	/*
 	 * We also have to transfer the parent's column labeling info into the
 	 * child, else columns sent to client will be improperly labeled if this