Index: uspace/lib/c/include/ipc/nil.h
===================================================================
--- uspace/lib/c/include/ipc/nil.h	(revision 64d2b101abaf56a6f7c27f0d6b099785aa173f36)
+++ uspace/lib/c/include/ipc/nil.h	(revision b0f00a9ed1b00bda8a286a4c4bbe625a7f410bc6)
@@ -70,4 +70,8 @@
 	 */
 	NET_NIL_BROADCAST_ADDR,
+	/** Device has changed address
+	 * @see nil_addr_changed_msg()
+	 */
+	NET_NIL_ADDR_CHANGED
 } nil_messages;