diff --git a/boot/floppy.asm b/boot/floppy.asm
index 3cce55f..004d47f 100644
--- a/boot/floppy.asm
+++ b/boot/floppy.asm
@@ -59,6 +59,8 @@ rootdir:
   dw 0
 
 main:
+  cli
+
   ; backup important values
   push bx
   push cx