diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c
index 6510cde36b354..834b06afef430 100644
--- a/arch/x86/kernel/io_apic_64.c
+++ b/arch/x86/kernel/io_apic_64.c
@@ -45,6 +45,7 @@
 #include <asm/proto.h>
 #include <asm/acpi.h>
 #include <asm/dma.h>
+#include <asm/i8259.h>
 #include <asm/nmi.h>
 #include <asm/msidef.h>
 #include <asm/hypertransport.h>