diff --git a/src/VehicleSetup/FirmwareUpgradeController.cc b/src/VehicleSetup/FirmwareUpgradeController.cc
index 00383326506a7fe5876be7ab6681ca249383c319..0585302d9605e8c304dbb06e9ffae41ed4b146b4 100644
--- a/src/VehicleSetup/FirmwareUpgradeController.cc
+++ b/src/VehicleSetup/FirmwareUpgradeController.cc
@@ -233,6 +233,7 @@ void FirmwareUpgradeController::_initFirmwareHash()
         { AutoPilotStackAPM, BetaFirmware,      HeliFirmware,           "http://firmware.ardupilot.org/Copter/beta/PX4-heli/ArduCopter-v2.px4"},
         { AutoPilotStackAPM, BetaFirmware,      PlaneFirmware,          "http://firmware.ardupilot.org/Plane/beta/PX4/ArduPlane-v2.px4"},
         { AutoPilotStackAPM, BetaFirmware,      RoverFirmware,          "http://firmware.ardupilot.org/Rover/beta/PX4/APMrover2-v2.px4"},
+        { AutoPilotStackAPM, BetaFirmware,      SubFirmware,            "http://firmware.ardupilot.org/Sub/beta/PX4/ArduSub-v2.px4"},
         { AutoPilotStackAPM, DeveloperFirmware, CopterFirmware,         "http://firmware.ardupilot.org/Copter/latest/PX4/ArduCopter-v2.px4"},
         { AutoPilotStackAPM, DeveloperFirmware, HeliFirmware,           "http://firmware.ardupilot.org/Copter/latest/PX4-heli/ArduCopter-v2.px4"},
         { AutoPilotStackAPM, DeveloperFirmware, PlaneFirmware,          "http://firmware.ardupilot.org/Plane/latest/PX4/ArduPlane-v2.px4"},