diff --git a/drivers/tty/serial/8250/Kconfig b/drivers/tty/serial/8250/Kconfig
index e1de1181b322d6c4d40f689e99501915f2e63b8e..f5c4b01f6f1db3a50e17574d2beb5392acb0185d 100644
--- a/drivers/tty/serial/8250/Kconfig
+++ b/drivers/tty/serial/8250/Kconfig
@@ -337,7 +337,7 @@ config SERIAL_8250_FINTEK
 	  through the PNP driver. If unsure, say N.
 
 config SERIAL_8250_LPC18XX
-	bool "NXP LPC18xx/43xx serial port support"
+	tristate "NXP LPC18xx/43xx serial port support"
 	depends on SERIAL_8250 && OF && (ARCH_LPC18XX || COMPILE_TEST)
 	default ARCH_LPC18XX
 	help