diff --git a/bsp/stm32f10x-HAL/drivers/SConscript b/bsp/stm32f10x-HAL/drivers/SConscript
index 43c9b3f4a05780446c8490f64a303d5a8028253d..feb72bed10b80d193133dab1cfbac24208f32dd6 100644
--- a/bsp/stm32f10x-HAL/drivers/SConscript
+++ b/bsp/stm32f10x-HAL/drivers/SConscript
@@ -23,6 +23,9 @@ if GetDepend(['RT_USING_SDCARD']):
 if GetDepend(['RT_USING_I2C', 'RT_USING_I2C_BITOPS']):
     src += ['drv_i2c.c']
 
+if GetDepend(['RT_USING_WDT']):
+    src += ['drv_iwg.c']
+    
 if rtconfig.CROSS_TOOL == 'gcc':
     src += ['gcc_startup.s']