diff --git a/boards/px4/io-v2/default.px4board b/boards/px4/io-v2/default.px4board
index 1e4b9bb808..9e69a1e746 100644
--- a/boards/px4/io-v2/default.px4board
+++ b/boards/px4/io-v2/default.px4board
@@ -1,3 +1,5 @@
+CONFIG_BOARD_TOOLCHAIN="arm-none-eabi"
+CONFIG_BOARD_ARCHITECTURE="cortex-m3"
 CONFIG_BOARD_ROMFSROOT=""
 CONFIG_BOARD_CONSTRAINED_FLASH=y
 CONFIG_MODULES_PX4IOFIRMWARE=y