diff --git a/kernel/chips/w83781d.c b/kernel/chips/w83781d.c
index 36f9be78..6d871687 100644
--- a/kernel/chips/w83781d.c
+++ b/kernel/chips/w83781d.c
@@ -216,7 +216,7 @@ static inline u8 DIV_TO_REG(long val, enum chips type)
 	int i;
 	val = SENSORS_LIMIT(val, 1,
 		((type == w83781d || type == as99127f) ? 8 : 128)) >> 1;
-	for (i = 0; i < 6; i++) {
+	for (i = 0; i < 7; i++) {
 		if (val == 0)
 			break;
 		val >>= 1;