diff --git a/nlsr_adl.h b/nlsr_adl.h
index cd25524..1803a14 100644
--- a/nlsr_adl.h
+++ b/nlsr_adl.h
@@ -4,6 +4,6 @@
 void add_adjacent_to_adl(struct ndn_neighbor *nbr);
 void print_adjacent_from_adl(void);
 void update_adjacent_status_to_adl(struct ccn_charbuf *nbr, int status);
-void update_adjacent_lsdb_version_to_adl(struct ccn_charbuf *nbr, long int version);
+void update_adjacent_lsdb_version_to_adl(struct ccn_charbuf *nbr, char *version);
 
 #endif