diff --git a/configs/TQM5200_B_defconfig b/configs/TQM5200_B_defconfig
index a86cddd..9b22b0d 100644
--- a/configs/TQM5200_B_defconfig
+++ b/configs/TQM5200_B_defconfig
@@ -5,6 +5,8 @@
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_SYS_EXTRA_OPTIONS="TQM5200_B"
 CONFIG_BOOTDELAY=5
+# CONFIG_CONSOLE_MUX is not set
+CONFIG_SYS_CONSOLE_IS_IN_ENV=y
 CONFIG_HUSH_PARSER=y
 CONFIG_CMD_ASKENV=y
 CONFIG_LOOPW=y