diff --git a/isisd/isis_zebra.h b/isisd/isis_zebra.h
index 889cd9b..0011478 100644
--- a/isisd/isis_zebra.h
+++ b/isisd/isis_zebra.h
@@ -24,7 +24,7 @@
 
 extern struct zclient *zclient;
 
-void isis_zebra_init (void);
+void isis_zebra_init (struct thread_master *);
 void isis_zebra_route_update (struct prefix *prefix,
 			      struct isis_route_info *route_info);
 int isis_distribute_list_update (int routetype);