mmc_buffer[0] = 0xf0; // SysEx
mmc_buffer[1] = 0x7f; // Real Time SysEx ID for MMC
- mmc_buffer[2] = (mmc ? mmc->send_device_id() : 0x00);
+ mmc_buffer[2] = (mmc ? mmc->send_device_id() : 0x7f);
mmc_buffer[3] = 0x6; // MCC
/* Set up the qtr frame message */