diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c
index 8ef0afc88693e3a26a5eb3316605742896b6d4ee..7ba1acad54025d1fd3cccf9ec9756345fe6bb27c 100644
--- a/drivers/misc/thinkpad_acpi.c
+++ b/drivers/misc/thinkpad_acpi.c
@@ -4790,7 +4790,7 @@ static int fan_set_level(int level)
 		 * or FULLSPEED mode bits and just ignore them */
 		if (level & TP_EC_FAN_FULLSPEED)
 			level |= 7;	/* safety min speed 7 */
-		else if (level & TP_EC_FAN_FULLSPEED)
+		else if (level & TP_EC_FAN_AUTO)
 			level |= 4;	/* safety min speed 4 */
 
 		if (!acpi_ec_write(fan_status_offset, level))