diff --git a/src/drv_pwm.c b/src/drv_pwm.c
index 068ad2adbd..4042469d95 100755
--- a/src/drv_pwm.c
+++ b/src/drv_pwm.c
@@ -182,7 +182,7 @@ void pwmICConfig(TIM_TypeDef *tim, uint8_t channel, uint16_t polarity)
     TIM_ICInitStructure.TIM_ICPolarity = polarity;
     TIM_ICInitStructure.TIM_ICSelection = TIM_ICSelection_DirectTI;
     TIM_ICInitStructure.TIM_ICPrescaler = TIM_ICPSC_DIV1;
-    TIM_ICInitStructure.TIM_ICFilter = 0x0;
+    TIM_ICInitStructure.TIM_ICFilter = 0x03;
 
     TIM_ICInit(tim, &TIM_ICInitStructure);
 }