diff --git a/configs/netspace_mini_v2_defconfig b/configs/netspace_mini_v2_defconfig
index 9a5cf19..4b0fff4 100644
--- a/configs/netspace_mini_v2_defconfig
+++ b/configs/netspace_mini_v2_defconfig
@@ -29,6 +29,8 @@
 CONFIG_OF_CONTROL=y
 CONFIG_DEFAULT_DEVICE_TREE="kirkwood-ns2mini"
 CONFIG_ENV_IS_IN_SPI_FLASH=y
+CONFIG_USE_ENV_SPI_MAX_HZ=y
+CONFIG_ENV_SPI_MAX_HZ=20000000
 CONFIG_MVSATA_IDE=y
 # CONFIG_MMC is not set
 CONFIG_SPI_FLASH=y