diff --git a/src/drivers/boards/px4-stm32f4discovery/CMakeLists.txt b/src/drivers/boards/px4-stm32f4discovery/CMakeLists.txt
index 11279f50a4..8004abad5a 100644
--- a/src/drivers/boards/px4-stm32f4discovery/CMakeLists.txt
+++ b/src/drivers/boards/px4-stm32f4discovery/CMakeLists.txt
@@ -34,6 +34,7 @@ px4_add_module(
 	MODULE drivers__boards__px4-stm32f4discovery
 	SRCS
 		../common/stm32/board_reset.c
+		../common/stm32/board_identity.c
 		px4discovery_init.c
 		px4discovery_usb.c
 		px4discovery_led.c