diff --git a/virtio/9p-pdu.c b/virtio/9p-pdu.c
index b9ce8ce..9e95f3b 100644
--- a/virtio/9p-pdu.c
+++ b/virtio/9p-pdu.c
@@ -5,6 +5,7 @@
 #include <stdint.h>
 
 #include <linux/compiler.h>
+#include <linux/uidgid.h>
 #include <net/9p/9p.h>
 
 static void virtio_p9_pdu_read(struct p9_pdu *pdu, void *data, size_t size)
diff --git a/virtio/9p.c b/virtio/9p.c
index 60865dd..b7a5723 100644
--- a/virtio/9p.c
+++ b/virtio/9p.c
@@ -18,6 +18,7 @@
 
 #include <linux/virtio_ring.h>
 #include <linux/virtio_9p.h>
+#include <linux/uidgid.h>
 #include <net/9p/9p.h>
 
 static LIST_HEAD(devs);