diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h
index 784a1a2..0aaffa2 100644
--- a/include/linux/rtnetlink.h
+++ b/include/linux/rtnetlink.h
@@ -534,7 +534,8 @@
 	RTNLGRP_NOP2,
 	RTNLGRP_DECnet_ROUTE,
 #define RTNLGRP_DECnet_ROUTE	RTNLGRP_DECnet_ROUTE
-	RTNLGRP_NOP3,
+	RTNLGRP_DECnet_RULE,
+#define RTNLGRP_DECnet_RULE	RTNLGRP_DECnet_RULE
 	RTNLGRP_NOP4,
 	RTNLGRP_IPV6_PREFIX,
 #define RTNLGRP_IPV6_PREFIX	RTNLGRP_IPV6_PREFIX