diff --git a/src/drivers/boards/px4esc-v1/CMakeLists.txt b/src/drivers/boards/px4esc-v1/CMakeLists.txt
index d47deb28bd..190a1ee5fb 100644
--- a/src/drivers/boards/px4esc-v1/CMakeLists.txt
+++ b/src/drivers/boards/px4esc-v1/CMakeLists.txt
@@ -37,6 +37,7 @@ set(SRCS)
 list(APPEND SRCS
     ../common/stm32/board_reset.c
     ../common/stm32/board_identity.c
+    ../common/stm32/board_mcu_version.c
     px4esc_init.c
     px4esc_led.c
     px4esc_usb.c