diff --git a/include/uapi/linux/dn.h b/include/uapi/linux/dn.h
index 5fbdd3d49ebabd77526ef5f29b73d66112380f70..4295c745f342a8a5096ae851d4fad8c95823975e 100644
--- a/include/uapi/linux/dn.h
+++ b/include/uapi/linux/dn.h
@@ -1,6 +1,7 @@
 #ifndef _LINUX_DN_H
 #define _LINUX_DN_H
 
+#include <linux/ioctl.h>
 #include <linux/types.h>
 #include <linux/if_ether.h>