diff --git a/boards/hex/cube-yellow/default.cmake b/boards/hex/cube-yellow/default.cmake
index f79bbe2cb9..0aeea1f3ed 100644
--- a/boards/hex/cube-yellow/default.cmake
+++ b/boards/hex/cube-yellow/default.cmake
@@ -7,7 +7,7 @@ px4_add_board(
 	TOOLCHAIN arm-none-eabi
 	ARCHITECTURE cortex-m7
 	ROMFSROOT px4fmu_common
-	IO px4_io-v2_default
+	IO hex_io-v2_default
 	TESTING
 	UAVCAN_INTERFACES 1
 	SERIAL_PORTS
diff --git a/boards/hex/cube-yellow/init/rc.board_defaults b/boards/hex/cube-yellow/init/rc.board_defaults
index e8dca05fc1..edafff2395 100644
--- a/boards/hex/cube-yellow/init/rc.board_defaults
+++ b/boards/hex/cube-yellow/init/rc.board_defaults
@@ -19,3 +19,4 @@ then
 fi
 
 set LOGGER_BUF 64
+set IOFW "/etc/extras/hex_io-v2_default.bin"