diff --git a/include/uapi/linux/if_pppox.h b/include/uapi/linux/if_pppox.h
index 473c3c45e3d84521663ecde49fb25f86436d8d46..d37bbb17a007c108f093ac517e4f0d567f3920de 100644
--- a/include/uapi/linux/if_pppox.h
+++ b/include/uapi/linux/if_pppox.h
@@ -24,6 +24,8 @@
 #include <linux/if.h>
 #include <linux/if_ether.h>
 #include <linux/if_pppol2tp.h>
+#include <linux/in.h>
+#include <linux/in6.h>
 
 /* For user-space programs to pick up these definitions
  * which they wouldn't get otherwise without defining __KERNEL__