diff --git a/arch/x86/kernel/time_64.c b/arch/x86/kernel/time_64.c
index 0469243ae1bd44acbfff8cb9115dbd50bf556004..841938297c2a0681fb0a4192ab6a352be5c532bb 100644
--- a/arch/x86/kernel/time_64.c
+++ b/arch/x86/kernel/time_64.c
@@ -115,6 +115,7 @@ void __init hpet_time_init(void)
 	if (!hpet_enable())
 		setup_pit_timer();
 
+	irq0.mask = cpumask_of_cpu(0);
 	setup_irq(0, &irq0);
 }