diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index 923d3dea77cb..7cfa2ed8241c 100644
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -289,7 +289,7 @@ config SERIAL_MAX3100
 	  MAX3100 chip support
 
 config SERIAL_MAX310X
-	bool "MAX310X support"
+	tristate "MAX310X support"
 	depends on SPI_MASTER
 	select SERIAL_CORE
 	select REGMAP_SPI if SPI_MASTER