diff --git a/ospf6d/ospf6_message.c b/ospf6d/ospf6_message.c
index f6577a9..0e74b65 100644
--- a/ospf6d/ospf6_message.c
+++ b/ospf6d/ospf6_message.c
@@ -1426,7 +1426,7 @@
       if (o6i->lladdr)
         inet_ntop (AF_INET6, o6i->lladdr, src_name, sizeof (src_name));
       else
-        memcpy (src_name, "Unknown", sizeof (src_name));
+        strcpy (src_name, "Unknown");
       zlog_info ("Send %s on %s",
                  ospf6_message_type_string[type], o6i->interface->name);
       zlog_info ("    %s -> %s", src_name, dst_name);