diff --git a/sched/task_delete.c b/sched/task_delete.c
index 4f463bd603..86a796ab75 100644
--- a/sched/task_delete.c
+++ b/sched/task_delete.c
@@ -118,10 +118,12 @@ STATUS task_delete(pid_t pid)
   /* Make sure the task does not become ready-to-run while
    * we are futzing with its TCB by locking ourselves as the
    * executing task.
-   *
-   * Frist, find for the TCB associated with matching pid 
    */
 
+  sched_lock();
+
+  /* Find for the TCB associated with matching pid */
+
    dtcb = sched_gettcb(pid);
    if (!dtcb)
      {