diff --git a/libraries/AP_HAL_ChibiOS/hwdef/scripts/defaults_periph.h b/libraries/AP_HAL_ChibiOS/hwdef/scripts/defaults_periph.h
index e7f32d724f..02ad607847 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/scripts/defaults_periph.h
+++ b/libraries/AP_HAL_ChibiOS/hwdef/scripts/defaults_periph.h
@@ -326,6 +326,7 @@
 #define AP_RPM_ENABLED defined(HAL_PERIPH_ENABLE_RPM)
 #define AP_RCPROTOCOL_ENABLED defined(HAL_PERIPH_ENABLE_RCIN)
 #define AP_RTC_ENABLED defined(HAL_PERIPH_ENABLE_RTC)
+#define HAL_VISUALODOM_ENABLED defined(HAL_PERIPH_ENABLE_VISUALODOM)
 
 #ifndef AP_BOOTLOADER_ALWAYS_ERASE
 #define AP_BOOTLOADER_ALWAYS_ERASE 1