diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index 34d1b119b7208cc3c93ab9de7241a0b1c185c05d..f087593d64d30484b447b662196710e21ed73031 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -264,7 +264,10 @@ static int dccp_v4_send_response(struct sock *sk, struct request_sock *req,
 	skb = dccp_make_response(sk, dst, req);
 	if (skb != NULL) {
 		const struct inet_request_sock *ireq = inet_rsk(req);
+		struct dccp_hdr *dh = dccp_hdr(skb);
 
+		dh->dccph_checksum = dccp_v4_checksum(skb, ireq->loc_addr,
+						      ireq->rmt_addr);
 		memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt));
 		err = ip_build_and_send_pkt(skb, sk, ireq->loc_addr,
 					    ireq->rmt_addr,
diff --git a/net/dccp/output.c b/net/dccp/output.c
index 9922d2696b9c7036592605df04fdd99fd9f71ccd..6bd21e37686e0187017dcdeaa3700440c072797e 100644
--- a/net/dccp/output.c
+++ b/net/dccp/output.c
@@ -314,9 +314,6 @@ struct sk_buff *dccp_make_response(struct sock *sk, struct dst_entry *dst,
 	dccp_hdr_set_ack(dccp_hdr_ack_bits(skb), dreq->dreq_isr);
 	dccp_hdr_response(skb)->dccph_resp_service = dreq->dreq_service;
 
-	dh->dccph_checksum = dccp_v4_checksum(skb, inet_rsk(req)->loc_addr,
-					      inet_rsk(req)->rmt_addr);
-
 	DCCP_INC_STATS(DCCP_MIB_OUTSEGS);
 	return skb;
 }