diff --git a/drivers/i2c/i2c-uniphier.c b/drivers/i2c/i2c-uniphier.c
index e427415..07a7e03 100644
--- a/drivers/i2c/i2c-uniphier.c
+++ b/drivers/i2c/i2c-uniphier.c
@@ -177,7 +177,7 @@
 	struct uniphier_i2c_priv *priv = dev_get_priv(bus);
 
 	/* max supported frequency is 400 kHz */
-	if (speed > 400000)
+	if (speed > I2C_SPEED_FAST_RATE)
 		return -EINVAL;
 
 	/* bus reset: make sure the bus is idle when change the frequency */