diff --git a/configs/fo300_defconfig b/configs/fo300_defconfig
index 55b5798..d65391e 100644
--- a/configs/fo300_defconfig
+++ b/configs/fo300_defconfig
@@ -6,6 +6,8 @@
 CONFIG_SYS_EXTRA_OPTIONS="FO300"
 CONFIG_BOOTDELAY=5
 CONFIG_SILENT_CONSOLE=y
+# CONFIG_CONSOLE_MUX is not set
+CONFIG_SYS_CONSOLE_IS_IN_ENV=y
 CONFIG_HUSH_PARSER=y
 CONFIG_CMD_ASKENV=y
 CONFIG_LOOPW=y