diff --git a/configs/roc-pc-rk3399_defconfig b/configs/roc-pc-rk3399_defconfig
index effffee..824b404 100644
--- a/configs/roc-pc-rk3399_defconfig
+++ b/configs/roc-pc-rk3399_defconfig
@@ -7,6 +7,7 @@
 CONFIG_NR_DRAM_BANKS=1
 CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR=y
 CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0x300000
+CONFIG_SF_DEFAULT_SPEED=30000000
 CONFIG_ENV_SIZE=0x8000
 CONFIG_ENV_OFFSET=0x3F8000
 CONFIG_ENV_SECT_SIZE=0x1000
@@ -58,7 +59,6 @@
 CONFIG_MMC_SDHCI=y
 CONFIG_MMC_SDHCI_ROCKCHIP=y
 CONFIG_SF_DEFAULT_BUS=1
-CONFIG_SF_DEFAULT_SPEED=30000000
 CONFIG_SPI_FLASH_WINBOND=y
 CONFIG_ETH_DESIGNWARE=y
 CONFIG_GMAC_ROCKCHIP=y