diff --git a/include/xen/page.h b/include/xen/page.h
index 1df6c19..c0c8fcb 100644
--- a/include/xen/page.h
+++ b/include/xen/page.h
@@ -4,6 +4,7 @@
 #include <linux/pfn.h>
 
 #include <asm/uaccess.h>
+#include <asm/pgtable.h>
 
 #include <xen/features.h>