diff --git a/lib/main/STM32H7/Middlewares/ST/STM32_USB_Device_Library/Class/HID/Src/usbd_hid.c b/lib/main/STM32H7/Middlewares/ST/STM32_USB_Device_Library/Class/HID/Src/usbd_hid.c index 53083b6b59..54cd047301 100755 --- a/lib/main/STM32H7/Middlewares/ST/STM32_USB_Device_Library/Class/HID/Src/usbd_hid.c +++ b/lib/main/STM32H7/Middlewares/ST/STM32_USB_Device_Library/Class/HID/Src/usbd_hid.c @@ -400,7 +400,7 @@ uint8_t USBD_HID_SendReport (USBD_HandleTypeDef *pdev, { USBD_HID_HandleTypeDef *hhid = (USBD_HID_HandleTypeDef*)pdev->pHID_ClassData; - if (pdev->dev_state == USBD_STATE_CONFIGURED ) + if (pdev->dev_state == USBD_STATE_CONFIGURED && hhid) { if(hhid->state == HID_IDLE) {