diff --git a/include/linux/virtio_9p.h b/include/linux/virtio_9p.h
index 395c38a47adbbe4317cc57a44bf99b9daf08d5d9..1faa80d92f05d14fe1c769ad5736b3f6065b0841 100644
--- a/include/linux/virtio_9p.h
+++ b/include/linux/virtio_9p.h
@@ -2,6 +2,7 @@
 #define _LINUX_VIRTIO_9P_H
 /* This header is BSD licensed so anyone can use the definitions to implement
  * compatible drivers/servers. */
+#include <linux/types.h>
 #include <linux/virtio_ids.h>
 #include <linux/virtio_config.h>
 #include <linux/types.h>