diff --git a/drivers/hwmon/lenovo-ec-sensors.c b/drivers/hwmon/lenovo-ec-sensors.c
index a16cc5e4053a..24a182abf9a3 100644
--- a/drivers/hwmon/lenovo-ec-sensors.c
+++ b/drivers/hwmon/lenovo-ec-sensors.c
@@ -537,9 +537,9 @@ static int lenovo_ec_probe(struct platform_device *pdev)
 	outw_p(MCHP_SING_IDX, MCHP_EMI0_EC_ADDRESS);
 	mutex_unlock(&ec_data->mec_mutex);
 
-	if ((inb_p(MCHP_EMI0_EC_DATA_BYTE0) != 'M') &&
-	    (inb_p(MCHP_EMI0_EC_DATA_BYTE1) != 'C') &&
-	    (inb_p(MCHP_EMI0_EC_DATA_BYTE2) != 'H') &&
+	if ((inb_p(MCHP_EMI0_EC_DATA_BYTE0) != 'M') ||
+	    (inb_p(MCHP_EMI0_EC_DATA_BYTE1) != 'C') ||
+	    (inb_p(MCHP_EMI0_EC_DATA_BYTE2) != 'H') ||
 	    (inb_p(MCHP_EMI0_EC_DATA_BYTE3) != 'P'))
 		return -ENODEV;