diff --git a/configs/T1040QDS_DDR4_defconfig b/configs/T1040QDS_DDR4_defconfig
index 8fcf941..c4f1f5a 100644
--- a/configs/T1040QDS_DDR4_defconfig
+++ b/configs/T1040QDS_DDR4_defconfig
@@ -9,6 +9,8 @@
 CONFIG_SYS_EXTRA_OPTIONS="PPC_T1040,SYS_FSL_DDR4"
 CONFIG_BOOTDELAY=10
 CONFIG_SILENT_CONSOLE=y
+# CONFIG_CONSOLE_MUX is not set
+CONFIG_SYS_CONSOLE_IS_IN_ENV=y
 CONFIG_HUSH_PARSER=y
 CONFIG_CMD_GREPENV=y
 CONFIG_CMD_MMC=y