We're processing the PSBT for openchannel_changed, not openchannel_signed
@ -464,7 +464,7 @@ openchannel2_changed_deserialize(struct openchannel2_psbt_payload *payload,
struct wally_psbt *psbt;
if (!hook_extract_psbt(NULL, dualopend, buffer,
toks, "openchannel2_sign",
toks, "openchannel2_changed",
false, &psbt))
return false;