diff --git a/libsrc/osic1p/cputc.s b/libsrc/osic1p/cputc.s
index d343da951..9cea78789 100644
--- a/libsrc/osic1p/cputc.s
+++ b/libsrc/osic1p/cputc.s
@@ -70,10 +70,10 @@ putchar:
 
 .rodata
 
-ScrLo:  .byte   $83, $A3, $C3, $E3, $03, $23, $43, $63
-        .byte   $83, $A3, $C3, $E3, $03, $23, $43, $63
-        .byte   $83, $A3, $C3, $E3, $03, $23, $43, $63
-        .byte   $83
+ScrLo:  .byte   $85, $A5, $C5, $E5, $05, $25, $45, $65
+        .byte   $85, $A5, $C5, $E5, $05, $25, $45, $65
+        .byte   $85, $A5, $C5, $E5, $05, $25, $45, $65
+        .byte   $85
 
 ScrHi:  .byte   $D0, $D0, $D0, $D0, $D1, $D1, $D1, $D1
         .byte   $D1, $D1, $D1, $D1, $D2, $D2, $D2, $D2