diff --git a/bsp/imxrt1052-evk/drivers/drv_sdio.c b/bsp/imxrt1052-evk/drivers/drv_sdio.c
index 33a9c81f8..d8eda0730 100644
--- a/bsp/imxrt1052-evk/drivers/drv_sdio.c
+++ b/bsp/imxrt1052-evk/drivers/drv_sdio.c
@@ -357,7 +357,7 @@ static void _mmc_request(struct rt_mmcsd_host *host, struct rt_mmcsd_req *req)
             if (buf)
             {
                 MMCSD_DGB(" write(data->buf to buf) ");
-                memcpy(buf, data->buf, fsl_data.blockSize * fsl_data.blockCount);
+                rt_memcpy(buf, data->buf, fsl_data.blockSize * fsl_data.blockCount);
                 fsl_data.txData = (uint32_t const *)buf;
             }
             else
@@ -401,7 +401,7 @@ static void _mmc_request(struct rt_mmcsd_host *host, struct rt_mmcsd_req *req)
         if (fsl_data.rxData)
         {
             MMCSD_DGB("read copy buf to data->buf ");
-            memcpy(data->buf, buf, fsl_data.blockSize * fsl_data.blockCount);
+            rt_memcpy(data->buf, buf, fsl_data.blockSize * fsl_data.blockCount);
         }
     
         rt_free_align(buf);