diff --git a/lightningd/peer_htlcs.c b/lightningd/peer_htlcs.c
index 835f2d642..cf0c940da 100644
--- a/lightningd/peer_htlcs.c
+++ b/lightningd/peer_htlcs.c
@@ -782,7 +782,7 @@ htlc_accepted_hook_callback(struct htlc_accepted_hook_payload *request,
 	case htlc_accepted_fail:
 		log_debug(channel->log,
 			  "Failing incoming HTLC as instructed by plugin hook");
-		fail_in_htlc(hin, failure_code, NULL, NULL);
+		fail_in_htlc(hin, failure_code, NULL, &hop_data->channel_id);
 		break;
 	case htlc_accepted_resolve:
 		fulfill_htlc(hin, &payment_preimage);