diff --git a/src/VehicleSetup/FirmwareUpgradeController.cc b/src/VehicleSetup/FirmwareUpgradeController.cc
index 94c4b14cf79708100c87b8625f38566e4fa3ad90..9040c9ad6c63e46a30f885879d535b0186709bb4 100644
--- a/src/VehicleSetup/FirmwareUpgradeController.cc
+++ b/src/VehicleSetup/FirmwareUpgradeController.cc
@@ -286,7 +286,7 @@ void FirmwareUpgradeController::_initFirmwareHash()
         _rgPX4FMUV4Firmware.insert(FirmwareIdentifier(element.stackType, element.firmwareType, element.vehicleType), element.url);
     }
 
-    int size = sizeof(rgPX4FMV2FirmwareArray)/sizeof(rgPX4FMV2FirmwareArray[0]);
+    size = sizeof(rgPX4FMV2FirmwareArray)/sizeof(rgPX4FMV2FirmwareArray[0]);
     for (int i = 0; i < size; i++) {
         const FirmwareToUrlElement_t& element = rgPX4FMV2FirmwareArray[i];
         _rgPX4FMUV2Firmware.insert(FirmwareIdentifier(element.stackType, element.firmwareType, element.vehicleType), element.url);