diff --git a/linux/devices/devicedefinitions/PlocSupervisorDefinitions.h b/linux/devices/devicedefinitions/PlocSupervisorDefinitions.h
index bfe23488..fa34afee 100644
--- a/linux/devices/devicedefinitions/PlocSupervisorDefinitions.h
+++ b/linux/devices/devicedefinitions/PlocSupervisorDefinitions.h
@@ -101,6 +101,9 @@ static const uint16_t APID_DATA_LOGGER_DATA = 0x20D;
 /**
  * APIDs of telecommand packets
  */
+// 2 bits APID SRC, 00 for OBC, 2 bits APID DEST, 01 for SUPV, 7 bits CMD ID -> Mask 0x080
+static constexpr uint16_t APID_TC_SUPV_MASK = 0x080;
+
 static const uint16_t APID_START_MPSOC = 0xA1;
 static const uint16_t APID_SHUTWOWN_MPSOC = 0xA2;
 static const uint16_t APID_SEL_MPSOC_BOOT_IMAGE = 0xA3;