diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 8325c44c04c6493f2cb39868b4eb4b7817037268..6da82ded33716451129fe620c2186602b74ca408 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -479,7 +479,7 @@ config MFD_S5M_CORE
 config MFD_WM8400
 	bool "Support Wolfson Microelectronics WM8400"
 	select MFD_CORE
-	depends on I2C
+	depends on I2C=y
 	select REGMAP_I2C
 	help
 	  Support for the Wolfson Microelecronics WM8400 PMIC and audio