diff --git a/AppleIISd.bin b/AppleIISd.bin
index 4915b73..d0ea522 100644
Binary files a/AppleIISd.bin and b/AppleIISd.bin differ
diff --git a/AppleIISd.hex b/AppleIISd.hex
index 7a7df4c..acf1b38 100644
--- a/AppleIISd.hex
+++ b/AppleIISd.hex
@@ -3,100 +3,100 @@
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diff --git a/src/AppleIISd.s b/src/AppleIISd.s
index 3b85323..7e17e4a 100644
--- a/src/AppleIISd.s
+++ b/src/AppleIISd.s
@@ -1,7 +1,7 @@
 ;*******************************
 ;
 ; Apple][Sd Firmware
-; Version 1.2
+; Version 1.2.1
 ; Main source
 ;
 ; (c) Florian Reitz, 2017 - 2018
@@ -368,7 +368,7 @@ INIT:       LDA   #$03        ; set SPI mode 3
             RTS
 
 
-TEXT:       .asciiz "  Apple][Sd v1.2 (c)2018 Florian Reitz"
+TEXT:       .asciiz " Apple][Sd v1.2.1 (c)2018 Florian Reitz "
 
 CMD0:       .byt $40, $00, $00
             .byt $00, $00, $95
diff --git a/src/ProDOS.s b/src/ProDOS.s
index 8d5c6f4..0cd0493 100644
--- a/src/ProDOS.s
+++ b/src/ProDOS.s
@@ -210,7 +210,7 @@ WRITE:      JSR   WRPROT
             CMP   #$05
             BNE   @IOERROR    ; check for write error
             CLC               ; no error
-            LDA   NO_ERR
+            LDA   #NO_ERR
 
 @DONE:      PHP
             PHA