@@ -746,7 +746,7 @@ static int qio_channel_websock_decode_header(QIOChannelWebsock *ioc,
opcode != QIO_CHANNEL_WEBSOCK_OPCODE_CLOSE &&
opcode != QIO_CHANNEL_WEBSOCK_OPCODE_PING &&
opcode != QIO_CHANNEL_WEBSOCK_OPCODE_PONG) {
- error_setg(errp, "unsupported opcode: %#04x; only binary, close, "
+ error_setg(errp, "unsupported opcode: 0x%04x; only binary, close, "
"ping, and pong websocket frames are supported", opcode);
qio_channel_websock_write_close(
ioc, QIO_CHANNEL_WEBSOCK_STATUS_INVALID_DATA ,