diff --git a/configs/teensy-3.x/nsh/defconfig b/configs/teensy-3.x/nsh/defconfig
index 3c2b2384a99..01afcab87fe 100644
--- a/configs/teensy-3.x/nsh/defconfig
+++ b/configs/teensy-3.x/nsh/defconfig
@@ -461,9 +461,9 @@ CONFIG_STANDARD_SERIAL=y
 # CONFIG_SERIAL_IFLOWCONTROL is not set
 # CONFIG_SERIAL_OFLOWCONTROL is not set
 # CONFIG_ARCH_HAVE_SERIAL_TERMIOS is not set
-# CONFIG_UART0_SERIAL_CONSOLE is not set
+CONFIG_UART0_SERIAL_CONSOLE=y
 # CONFIG_OTHER_SERIAL_CONSOLE is not set
-CONFIG_NO_SERIAL_CONSOLE=y
+# CONFIG_NO_SERIAL_CONSOLE is not set
 
 #
 # UART0 Configuration