diff --git a/nlsr_lsdb.h b/nlsr_lsdb.h
index 87c4013..75f1886 100644
--- a/nlsr_lsdb.h
+++ b/nlsr_lsdb.h
@@ -54,6 +54,7 @@
 void build_and_install_others_name_lsa(char *orig_router,int ls_type,long int ls_id,char *orig_time, int isValid,char *np);
 void build_others_name_lsa(struct nlsa *name_lsa, char *orig_router,int ls_type,long int ls_id, char *orig_time, int isValid, char *np);
 void make_name_lsa_key(char *key, char *orig_router, int ls_type, long int ls_id);
+int refresh_lsdb(struct ccn_schedule *sched, void *clienth, struct ccn_scheduled_event *ev, int flags);
 
 int build_and_install_adj_lsa(struct ccn_schedule *sched, void *clienth, struct ccn_scheduled_event *ev, int flags);
 void build_adj_lsa(struct alsa * adj_lsa);