diff --git a/drivers/source/usb/USBCDC_ECM.cpp b/drivers/source/usb/USBCDC_ECM.cpp
index 146efd0a47..45e97ad194 100644
--- a/drivers/source/usb/USBCDC_ECM.cpp
+++ b/drivers/source/usb/USBCDC_ECM.cpp
@@ -556,4 +556,4 @@ void USBCDC_ECM::_bulk_out_callback()
 
     read_start(_bulk_out, _bulk_buf, MAX_PACKET_SIZE_BULK);
 }
-#endif // defined(MBED_CONF_RTOS_PRESENT)
\ No newline at end of file
+#endif // defined(MBED_CONF_RTOS_PRESENT)