diff --git a/xen/include/xen/grant_table.h b/xen/include/xen/grant_table.h
index 63b6dc78f4..9f8b7e66c1 100644
--- a/xen/include/xen/grant_table.h
+++ b/xen/include/xen/grant_table.h
@@ -28,9 +28,10 @@
 #include <public/grant_table.h>
 #include <asm/grant_table.h>
 
-#ifdef CONFIG_GRANT_TABLE
 struct grant_table;
 
+#ifdef CONFIG_GRANT_TABLE
+
 extern unsigned int opt_max_grant_frames;
 
 /* Create/destroy per-domain grant table context. */