diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 43706928ef8674a86a4cc580b78f3a231093cbbf..e1f02c8290abd828517be2d7a3d1d8403446df3d 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -1225,7 +1225,7 @@ config MFD_WM8994
 	  functionaltiy of the device other drivers must be enabled.
 
 config MFD_STW481X
-	bool "Support for ST Microelectronics STw481x"
+	tristate "Support for ST Microelectronics STw481x"
 	depends on I2C && ARCH_NOMADIK
 	select REGMAP_I2C
 	select MFD_CORE