diff --git a/platforms/amiga/piscsi/device_driver_amiga/pi-scsi.device b/platforms/amiga/piscsi/device_driver_amiga/pi-scsi.device
index c3a4b45..1276319 100644
Binary files a/platforms/amiga/piscsi/device_driver_amiga/pi-scsi.device and b/platforms/amiga/piscsi/device_driver_amiga/pi-scsi.device differ
diff --git a/platforms/amiga/piscsi/device_driver_amiga/piscsi-amiga-2.c b/platforms/amiga/piscsi/device_driver_amiga/piscsi-amiga-2.c
index a4d9217..8ab60d3 100644
--- a/platforms/amiga/piscsi/device_driver_amiga/piscsi-amiga-2.c
+++ b/platforms/amiga/piscsi/device_driver_amiga/piscsi-amiga-2.c
@@ -114,7 +114,7 @@ static struct Library __attribute__((used)) *init_device(uint8_t *seg_list asm("
 
     for (int i = 0; i < NUM_UNITS; i++) {
         uint16_t r = 0;
-        WRITESHORT(PISCSI_CMD_DRVNUM, (i * 10));
+        WRITESHORT(PISCSI_CMD_DRVNUM, (i));
         dev_base->units[i].regs_ptr = PISCSI_OFFSET;
         READSHORT(PISCSI_CMD_DRVTYPE, r);
         dev_base->units[i].enabled = r;
diff --git a/platforms/amiga/piscsi/piscsi.rom b/platforms/amiga/piscsi/piscsi.rom
index e1f446c..a7e8f17 100644
Binary files a/platforms/amiga/piscsi/piscsi.rom and b/platforms/amiga/piscsi/piscsi.rom differ