diff --git a/lightningd/hsm/hsm_client_wire_csv b/lightningd/hsm/hsm_client_wire_csv
index 693e2991d..9f1d13a22 100644
--- a/lightningd/hsm/hsm_client_wire_csv
+++ b/lightningd/hsm/hsm_client_wire_csv
@@ -3,3 +3,11 @@ hsm_ecdh_req,1
 hsm_ecdh_req,0,point,33
 hsm_ecdh_resp,100
 hsm_ecdh_resp,0,ss,32
+
+hsm_cannouncement_sig_req,2
+hsm_cannouncement_sig_req,0,bitcoin_id,struct pubkey
+hsm_cannouncement_sig_req,33,calen,u16
+hsm_cannouncement_sig_req,35,ca,calen
+
+hsm_cannouncement_sig_reply,102
+hsm_cannouncement_sig_reply,0,node_signature,64