diff --git a/libraries/AP_HAL_ChibiOS/hwdef/scripts/chibios_hwdef.py b/libraries/AP_HAL_ChibiOS/hwdef/scripts/chibios_hwdef.py
index 1768b04fdf..08508dfb72 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/scripts/chibios_hwdef.py
+++ b/libraries/AP_HAL_ChibiOS/hwdef/scripts/chibios_hwdef.py
@@ -540,6 +540,7 @@ def write_mcu_config(f):
     else:
         f.write('#define HAL_USE_SDC FALSE\n')
         build_flags.append('USE_FATFS=no')
+        env_vars['DISABLE_SCRIPTING'] = True
     if 'OTG1' in bytype:
         f.write('#define STM32_USB_USE_OTG1                  TRUE\n')
         f.write('#define HAL_USE_USB TRUE\n')