diff --git a/hw/xen_backend.h b/hw/xen_backend.h
index f07f7d4..cc25f9d 100644
--- a/hw/xen_backend.h
+++ b/hw/xen_backend.h
@@ -5,6 +5,7 @@
 #include "sysemu.h"
 #include "net.h"
 #include "block_int.h"
+#include "blockdev.h"
 
 /* ------------------------------------------------------------- */