diff --git a/Firmware/Driver.asm b/Firmware/Driver.asm
index 35d9b86..4946362 100644
--- a/Firmware/Driver.asm
+++ b/Firmware/Driver.asm
@@ -33,7 +33,7 @@ NibbleStorage = $1d
 ; Add the drive to the device list
  inc DeviceCount
  lda DeviceCount
- lda #SlotDrive
+ ldy #SlotDrive
  sta DeviceList,y
  rts
 
diff --git a/Firmware/Driver.lst b/Firmware/Driver.lst
index fabffa7..fd3e006 100644
--- a/Firmware/Driver.lst
+++ b/Firmware/Driver.lst
@@ -37,7 +37,7 @@ Current file: Driver.asm
 00100A  1               ; Add the drive to the device list
 00100A  1  EE 31 BF      inc DeviceCount
 00100D  1  AD 31 BF      lda DeviceCount
-001010  1  A9 50         lda #SlotDrive
+001010  1  A0 50         ldy #SlotDrive
 001012  1  99 32 BF      sta DeviceList,y
 001015  1  60            rts
 001016  1