diff --git a/arch/x86/xen/apic.c b/arch/x86/xen/apic.c
index 1913bf2d2a9cd48a17e813be2fe876f50ea88d94..ec57bd3818a4cdeb0c45d3c3b13cc7a79db85f9b 100644
--- a/arch/x86/xen/apic.c
+++ b/arch/x86/xen/apic.c
@@ -1,9 +1,12 @@
 #include <linux/init.h>
+
 #include <asm/x86_init.h>
 #include <asm/apic.h>
-#include <xen/interface/physdev.h>
 #include <asm/xen/hypercall.h>
 
+#include <xen/xen.h>
+#include <xen/interface/physdev.h>
+
 unsigned int xen_io_apic_read(unsigned apic, unsigned reg)
 {
 	struct physdev_apic apic_op;