diff --git a/drivers/mfd/wm8994-core.c b/drivers/mfd/wm8994-core.c
index d5ac066f9db4..094c0b3dbd97 100644
--- a/drivers/mfd/wm8994-core.c
+++ b/drivers/mfd/wm8994-core.c
@@ -622,7 +622,7 @@ static int wm8994_i2c_probe(struct i2c_client *i2c)
 	wm8994->dev = &i2c->dev;
 	wm8994->irq = i2c->irq;
 
-	wm8994->type = (enum wm8994_type)i2c_get_match_data(i2c);
+	wm8994->type = (kernel_ulong_t)i2c_get_match_data(i2c);
 
 	wm8994->regmap = devm_regmap_init_i2c(i2c, &wm8994_base_regmap_config);
 	if (IS_ERR(wm8994->regmap)) {