diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index 72eb2372329453e2f118a9af1627c7ad27e50721..e951453e0a2378caf405f62910dd91d7c768ea3b 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -28,6 +28,8 @@
 #include <net/netns/xfrm.h>
 #include <net/netns/mpls.h>
 #include <linux/ns_common.h>
+#include <linux/idr.h>
+#include <linux/skbuff.h>
 
 struct user_namespace;
 struct proc_dir_entry;