diff --git a/libs/libc/net/lib_getifaddrs.c b/libs/libc/net/lib_getifaddrs.c
index 0e17cd4fa6e..82630e8df6c 100644
--- a/libs/libc/net/lib_getifaddrs.c
+++ b/libs/libc/net/lib_getifaddrs.c
@@ -166,7 +166,7 @@ int getifaddrs(FAR struct ifaddrs **addrs)
         }
 
       myaddrs->addrs.ifa_name = myaddrs->name;
-      strncpy(myaddrs->name, req.lifr_name, IF_NAMESIZE);
+      strlcpy(myaddrs->name, req.lifr_name, IF_NAMESIZE);
 
       myaddrs->addrs.ifa_flags = flags;
 
diff --git a/libs/libc/netdb/lib_dnscache.c b/libs/libc/netdb/lib_dnscache.c
index c5a18af510d..09b1d718c23 100644
--- a/libs/libc/netdb/lib_dnscache.c
+++ b/libs/libc/netdb/lib_dnscache.c
@@ -142,7 +142,7 @@ void dns_save_answer(FAR const char *hostname,
   entry->ctime = (time_t)now.tv_sec;
 #endif
 
-  strncpy(entry->name, hostname, CONFIG_NETDB_DNSCLIENT_NAMESIZE);
+  strlcpy(entry->name, hostname, CONFIG_NETDB_DNSCLIENT_NAMESIZE);
   memcpy(&entry->addr, addr, naddr * sizeof(*addr));
   entry->naddr = naddr;