diff --git a/drivers/rptun/rptun.c b/drivers/rptun/rptun.c
index ad35d04354..6f9094e9ab 100644
--- a/drivers/rptun/rptun.c
+++ b/drivers/rptun/rptun.c
@@ -434,7 +434,7 @@ static void rptun_ns_bind(FAR struct rpmsg_device *rdev,
       FAR struct rptun_cb_s *cb;
 
       bind->dest = dest;
-      strncpy(bind->name, name, RPMSG_NAME_SIZE);
+      strlcpy(bind->name, name, RPMSG_NAME_SIZE);
 
       rptun_lock();