diff --git a/drivers/ide/it821x.c b/drivers/ide/it821x.c
index 56b7919..b2709c7 100644
--- a/drivers/ide/it821x.c
+++ b/drivers/ide/it821x.c
@@ -252,7 +252,7 @@
 	 * on the cable.
 	 */
 	if (pair) {
-		u8 pair_pio = ide_get_best_pio_mode(pair, 255, 4);
+		u8 pair_pio = pair->pio_mode - XFER_PIO_0;
 		/* trim PIO to the slowest of the master/slave */
 		if (pair_pio < set_pio)
 			set_pio = pair_pio;