diff --git a/configs/ap121_defconfig b/configs/ap121_defconfig
index c9dbe4d..eca24e9 100644
--- a/configs/ap121_defconfig
+++ b/configs/ap121_defconfig
@@ -32,6 +32,8 @@
 # CONFIG_ISO_PARTITION is not set
 CONFIG_DEFAULT_DEVICE_TREE="ap121"
 CONFIG_ENV_IS_IN_SPI_FLASH=y
+CONFIG_USE_ENV_SPI_MAX_HZ=y
+CONFIG_ENV_SPI_MAX_HZ=25000000
 CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_DM_SPI_FLASH=y
 CONFIG_SPI_FLASH=y