diff --git a/drivers/drivers-x16xx/src/x16xx_hal_hcd.c b/drivers/drivers-x16xx/src/x16xx_hal_hcd.c
index 68da0bbdcb8e09b1b624ffa461c1c8721331f88d..2370e0d4f62abb66339a866f88f132aaf70bb30d 100644
--- a/drivers/drivers-x16xx/src/x16xx_hal_hcd.c
+++ b/drivers/drivers-x16xx/src/x16xx_hal_hcd.c
@@ -1380,6 +1380,7 @@ static void HCD_HC_OUT_IRQHandler(HCD_HandleTypeDef *hhcd, uint8_t chnum)
   }
   else if ((USBx_HC(ch_num)->HCINTn & HCINTn_XFERCOMPL) == HCINTn_XFERCOMPL)
   {
+      USB_FlushTxFifo(USBx, 0);/*flush Tx non periodic fifo*/
     hhcd->hc[ch_num].ErrCnt = 0U;
 
     /* transaction completed with NYET state, update do ping state */