diff --git a/bios/int15-real.S b/bios/int15-real.S
index c30215f..4ef95d3 100644
--- a/bios/int15-real.S
+++ b/bios/int15-real.S
@@ -41,7 +41,6 @@ ENTRY(___int15)
 	/* Clear CF */
 	andl	$~EFLAGS_CF, 0x4(%esp)
 out:
-	sti
 	IRET
 
 /*