diff --git a/nlsr_adl.c b/nlsr_adl.c
index 8976494..2babc55 100644
--- a/nlsr_adl.c
+++ b/nlsr_adl.c
@@ -64,9 +64,9 @@
 		char *time_stamp=(char *)malloc(20);
 		get_current_timestamp_micro(time_stamp);
 		nbr->last_lsdb_version=(char *)calloc(strlen(time_stamp)+1,sizeof(char));
-		memset(nbr->last_lsdb_version,'0',strlen(time_stamp)+1);
+		memcpy(nbr->last_lsdb_version,"0000000000000000",16);
 		nbr->last_info_version=(char *)calloc(strlen(time_stamp)+1,sizeof(char));
-		memset(nbr->last_info_version,'0',strlen(time_stamp)+1);
+		memcpy(nbr->last_info_version,"0000000000000000",16);
 		free(time_stamp);		
 
 		nbr->last_lsdb_requested=0;