diff --git a/bsp/stm32/libraries/HAL_Drivers/drv_sdio.c b/bsp/stm32/libraries/HAL_Drivers/drv_sdio.c
index 61387f24ef2f65bca441878874b3994961405e9c..188b8bae90c2d903b39d93559500f43692c565b5 100644
--- a/bsp/stm32/libraries/HAL_Drivers/drv_sdio.c
+++ b/bsp/stm32/libraries/HAL_Drivers/drv_sdio.c
@@ -382,7 +382,7 @@ static void rthw_sdio_request(struct rt_mmcsd_host *host, struct rt_mmcsd_req *r
                 pkg.buff = cache_buf;
                 if (data->flags & DATA_DIR_WRITE)
                 {
-                    memcpy(cache_buf, data->buf, size);
+                    rt_memcpy(cache_buf, data->buf, size);
                 }
             }
         }
@@ -391,7 +391,7 @@ static void rthw_sdio_request(struct rt_mmcsd_host *host, struct rt_mmcsd_req *r
 
         if ((data != RT_NULL) && (data->flags & DATA_DIR_READ) && ((rt_uint32_t)data->buf & (SDIO_ALIGN_LEN - 1)))
         {
-            memcpy(data->buf, cache_buf, data->blksize * data->blks);
+            rt_memcpy(data->buf, cache_buf, data->blksize * data->blks);
         }
     }