diff --git a/src/os.asm b/src/os.asm
index 32ceb13..c10c13a 100644
--- a/src/os.asm
+++ b/src/os.asm
@@ -106,8 +106,5 @@ db "keycode", 0x0
 error:
 db "Unknown command", 0x0
 
-;buffer:
-;times 0x100 db 0
-
 buffer:
-times 0x100 db 0
+times 0xff db 0
diff --git a/src/readstr.inc b/src/readstr.inc
index 61ee4d2..aea9922 100644
--- a/src/readstr.inc
+++ b/src/readstr.inc
@@ -38,7 +38,9 @@ cmp al, 0x8
 je .backspace
 
 ;Check for input end
-cmp bl, [.length]
+mov cl, bl
+inc cl
+cmp cl, [.length]
 je .loop
 
 ;Check for space