diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 852610dfe704bd..651768313b421e 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -10,6 +10,7 @@
 
 #include <xen/xen.h>
 #include <xen/features.h>
+#include <xen/interface/xen.h>
 #include <xen/interface/memory.h>
 #include <xen/interface/sched.h>
 #include <xen/interface/version.h>