diff --git a/kernel/fiasco/src/kern/ia32/64/entry.S b/kernel/fiasco/src/kern/ia32/64/entry.S
index 43bb1613..76e4edae 100644
--- a/kernel/fiasco/src/kern/ia32/64/entry.S
+++ b/kernel/fiasco/src/kern/ia32/64/entry.S
@@ -441,6 +441,7 @@ alien_sys_call:
 	.p2align
 	.globl	leave_by_trigger_exception
 leave_by_trigger_exception:
+	cli
         sub $40, %rsp
 	pushq	$0x00
 	pushq	$0xff