diff --git a/backend/plustek-usbhw.c b/backend/plustek-usbhw.c

index 05d3cc7..28cbd52 100644

--- a/backend/plustek-usbhw.c

+++ b/backend/plustek-usbhw.c

@@ -1451,6 +1451,14 @@ usb_ResetRegisters( Plustek_Device *dev )

 			 * CanoScan devices to work properly after power-up

 			 */

 			sanei_lm983x_write_byte( dev->fd, 0x5b, regs[0x5b] );

+

+			/* At least CanoScan N650U can have a problem with writing

+			 * to register 0x59 due XHCI USB controller is too

+			 * fast for him. Simulate EHCI USB controller's

+			 * behavior here - wait 1ms.

+			 */

+			usleep(1000);

+

 			sanei_lm983x_write_byte( dev->fd, 0x59, regs[0x59] );

 			sanei_lm983x_write_byte( dev->fd, 0x5a, regs[0x5a] );

 		} else {