diff --git a/src/backend/commands/cluster.c b/src/backend/commands/cluster.c
index 191ef54..f10ae3c 100644
--- a/src/backend/commands/cluster.c
+++ b/src/backend/commands/cluster.c
@@ -877,7 +877,8 @@ copy_heap_data(Oid OIDNewHeap, Oid OIDOldHeap, Oid OIDOldIndex,
 		Buffer		buf;
 		bool		isdead;
 
-		CHECK_FOR_INTERRUPTS();
+		/* Launches vacuum delay */
+		vacuum_delay_point();
 
 		if (indexScan != NULL)
 		{