diff --git a/configs/TTTech_defconfig b/configs/TTTech_defconfig
index 2c823db..df4efa4 100644
--- a/configs/TTTech_defconfig
+++ b/configs/TTTech_defconfig
@@ -4,7 +4,9 @@
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_SYS_EXTRA_OPTIONS="LCD,SHARP_LQ104V7DS01"
 CONFIG_HUSH_PARSER=y
+CONFIG_CMD_ASKENV=y
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_DHCP=y
 CONFIG_CMD_SNTP=y
+CONFIG_CMD_EXT2=y
 CONFIG_OF_LIBFDT=y