diff --git a/xen/arch/ia64/xen/xensetup.c b/xen/arch/ia64/xen/xensetup.c
index 8a8023a833..31e918a0c3 100644
--- a/xen/arch/ia64/xen/xensetup.c
+++ b/xen/arch/ia64/xen/xensetup.c
@@ -28,6 +28,7 @@
 #include <asm/iosapic.h>
 #include <xen/softirq.h>
 #include <xen/rcupdate.h>
+#include <acm/acm_hooks.h>
 
 unsigned long xenheap_phys_end, total_pages;