diff --git a/public/ape_spu/osp/src/osp_task.s.c b/public/ape_spu/osp/src/osp_task.s.c
index 69a6e84..4920a26 100644
--- a/public/ape_spu/osp/src/osp_task.s.c
+++ b/public/ape_spu/osp/src/osp_task.s.c
@@ -856,7 +856,7 @@ void osp_del_timer_task(int task_id)
         if (task_id == g_task_id_table[u8_loop])
         {
             g_task_id_table[u8_loop] = 0;
-            memcpy(&(g_task_id_table[u8_loop]), &(g_task_id_table[u8_loop+1]), (g_taskid_num-u8_loop-1));
+            memmove(&(g_task_id_table[u8_loop]), &(g_task_id_table[u8_loop+1]), sizeof(int)*(g_taskid_num-u8_loop-1));
             g_taskid_num--;
             break;
         }
@@ -1023,7 +1023,7 @@ void osp_del_task(int prio, int scsId)
         if (task_id == g_task_id_table[u8_loop])
         {
             g_task_id_table[u8_loop] = 0;
-            memcpy(&(g_task_id_table[u8_loop]), &(g_task_id_table[u8_loop+1]), sizeof(int)*(g_taskid_num-u8_loop-1));
+            memmove(&(g_task_id_table[u8_loop]), &(g_task_id_table[u8_loop+1]), sizeof(int)*(g_taskid_num-u8_loop-1));
             g_taskid_num--;
             break;
         }