diff --git a/channeld/channeld.c b/channeld/channeld.c
index 3e7edb5ed..fd0cde7f9 100644
--- a/channeld/channeld.c
+++ b/channeld/channeld.c
@@ -491,6 +491,8 @@ static void check_mutual_splice_locked(struct peer *peer)
 				 "Splice lock unable to update funding. %s",
 				 error);
 
+	peer->channel->funding_pubkey[REMOTE] = inflight->remote_funding;
+
 	status_debug("mutual splice_locked, channel updated to: %s",
 		     fmt_channel(tmpctx, peer->channel));
 
diff --git a/lightningd/peer_control.c b/lightningd/peer_control.c
index 0f031a619..90127ffdf 100644
--- a/lightningd/peer_control.c
+++ b/lightningd/peer_control.c
@@ -2058,6 +2058,10 @@ void update_channel_from_inflight(struct lightningd *ld,
 			    bitcoin_tx_with_psbt(channel, psbt_copy),
 			    &inflight->last_sig);
 
+	/* If the remote side rotated their pubkey during splice, update now */
+	if (inflight->funding->splice_remote_funding)
+		channel->channel_info.remote_fundingkey = *inflight->funding->splice_remote_funding;
+
 	/* Update the reserve */
 	channel_update_reserve(channel,
 			       &channel->channel_info.their_config,