diff --git a/arch/x86/xen/trace.c b/arch/x86/xen/trace.c
index 734beba2a08c41fbfd48b5d5f91865c79614d376..520022d1a18134715b6ebc16a86341aa3a7f104a 100644
--- a/arch/x86/xen/trace.c
+++ b/arch/x86/xen/trace.c
@@ -1,4 +1,5 @@
 #include <linux/ftrace.h>
+#include <xen/interface/xen.h>
 
 #define N(x)	[__HYPERVISOR_##x] = "("#x")"
 static const char *xen_hypercall_names[] = {