diff --git a/mt7996/init.c b/mt7996/init.c
index 573b6ee1..3fdc41c0 100644
--- a/mt7996/init.c
+++ b/mt7996/init.c
@@ -102,7 +102,7 @@ static ssize_t mt7996_thermal_temp_store(struct device *dev,
 		return ret;
 
 	mutex_lock(&phy->dev->mt76.mutex);
-	val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 40, 130);
+	val = DIV_ROUND_CLOSEST(clamp_val(val, 40 * 1000, 130 * 1000), 1000);
 
 	/* add a safety margin ~10 */
 	if ((i - 1 == MT7996_CRIT_TEMP_IDX &&