diff --git a/targets/stm32l432/lib/usbd/usbd_conf.c b/targets/stm32l432/lib/usbd/usbd_conf.c
index ad5b211..bd3c442 100644
--- a/targets/stm32l432/lib/usbd/usbd_conf.c
+++ b/targets/stm32l432/lib/usbd/usbd_conf.c
@@ -123,9 +123,11 @@ void HAL_PCD_DataOutStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
       case HID_EPOUT_ADDR:
         usb_hid_recieve_callback(epnum);
       break;
+#ifdef ENABLE_CCID
       case CCID_OUT_EP:
         usb_ccid_recieve_callback((USBD_HandleTypeDef*)hpcd->pData, epnum);
       break;
+#endif
   }
 }