diff --git a/ponydos.asm b/ponydos.asm
index e98f7ab..d02d959 100644
--- a/ponydos.asm
+++ b/ponydos.asm
@@ -201,13 +201,14 @@ draw_wallpaper:
 flip_mouse_cursor:
 	pusha
 
+	mov bx, [di]
+	mov al, bh
+
 	; Column
 	xor bh, bh
-	mov bl, [di]
 	shl bx, 1
 
 	; Row
-	mov al, [di - mouse_column + mouse_row]
 	mov cl, COLUMNS*2
 	mul cl
 	add bx, ax