diff --git a/sched/init/nx_start.c b/sched/init/nx_start.c
index 60d580fc8b..c9e7c454f5 100644
--- a/sched/init/nx_start.c
+++ b/sched/init/nx_start.c
@@ -436,8 +436,7 @@ void nx_start(void)
       snprintf(g_idletcb[i].cmn.name, CONFIG_TASK_NAME_SIZE, "CPU%d IDLE",
                i);
 #  else
-      strncpy(g_idletcb[i].cmn.name, g_idlename, CONFIG_TASK_NAME_SIZE);
-      g_idletcb[i].cmn.name[CONFIG_TASK_NAME_SIZE] = '\0';
+      strlcpy(g_idletcb[i].cmn.name, g_idlename, CONFIG_TASK_NAME_SIZE);
 #  endif
 
       /* Configure the task name in the argument list.  The IDLE task does