diff --git a/Makefile b/Makefile
index 11f6a2e60..80669e4c4 100644
--- a/Makefile
+++ b/Makefile
@@ -9,7 +9,7 @@ CCANDIR := ccan
 
 # Where we keep the BOLT RFCs
 BOLTDIR := ../lightning-rfc/
-BOLTVERSION := 8516beb2c4fe6fc19bb4b1824b1635ae13805f49
+BOLTVERSION := bca814e270dcbee2fea51c0a26ca99efef261f2b
 
 -include config.vars
 
diff --git a/lightningd/peer_htlcs.c b/lightningd/peer_htlcs.c
index 587d56425..91f920209 100644
--- a/lightningd/peer_htlcs.c
+++ b/lightningd/peer_htlcs.c
@@ -257,7 +257,7 @@ static void handle_localpay(struct htlc_in *hin,
 	 *
 	 * 1. type: 19 (`final_incorrect_htlc_amount`)
 	 * 2. data:
-	 *    * [`4`:`incoming_htlc_amt`]
+	 *    * [`8`:`incoming_htlc_amt`]
 	 *
 	 * The amount in the HTLC doesn't match the value in the onion.
 	 */
diff --git a/wire/gen_onion_wire_csv b/wire/gen_onion_wire_csv
index bccb2e647..8523c6fc5 100644
--- a/wire/gen_onion_wire_csv
+++ b/wire/gen_onion_wire_csv
@@ -36,6 +36,6 @@ final_expiry_too_soon,17
 final_incorrect_cltv_expiry,18
 final_incorrect_cltv_expiry,0,cltv_expiry,4
 final_incorrect_htlc_amount,19
-final_incorrect_htlc_amount,0,incoming_htlc_amt,4
+final_incorrect_htlc_amount,0,incoming_htlc_amt,8
 channel_disabled,UPDATE|20
 expiry_too_far,21