diff --git a/configs/B4420QDS_SPIFLASH_defconfig b/configs/B4420QDS_SPIFLASH_defconfig
index 2c2e3c2..2dd25fe 100644
--- a/configs/B4420QDS_SPIFLASH_defconfig
+++ b/configs/B4420QDS_SPIFLASH_defconfig
@@ -7,6 +7,7 @@
 CONFIG_OF_STDOUT_VIA_ALIAS=y
 CONFIG_SYS_EXTRA_OPTIONS="PPC_B4420,RAMBOOT_PBL,SPIFLASH,SYS_TEXT_BASE=0xFFF40000"
 CONFIG_BOOTDELAY=10
+CONFIG_SYS_CONSOLE_IS_IN_ENV=y
 CONFIG_HUSH_PARSER=y
 CONFIG_CMD_GREPENV=y
 CONFIG_CMD_SF=y