diff --git a/include/linux/net_dropmon.h b/include/linux/net_dropmon.h
index 0217fb81a63011ae6f8d610e622c9a56855a0472..0e2e100c44a275f719377d7c0e2ad113743d404d 100644
--- a/include/linux/net_dropmon.h
+++ b/include/linux/net_dropmon.h
@@ -1,6 +1,7 @@
 #ifndef __NET_DROPMON_H
 #define __NET_DROPMON_H
 
+#include <linux/types.h>
 #include <linux/netlink.h>
 
 struct net_dm_drop_point {