diff --git a/drivers/i2c/chips/w83627hf.c b/drivers/i2c/chips/w83627hf.c
index 4f1bff572c1c22345e5ad974be40f98817e2636b..bd87a42e068ae4d6ac0fd1763d61b3c32b1bb5d7 100644
--- a/drivers/i2c/chips/w83627hf.c
+++ b/drivers/i2c/chips/w83627hf.c
@@ -264,7 +264,7 @@ static inline u8 DIV_TO_REG(long val)
 {
 	int i;
 	val = SENSORS_LIMIT(val, 1, 128) >> 1;
-	for (i = 0; i < 6; i++) {
+	for (i = 0; i < 7; i++) {
 		if (val == 0)
 			break;
 		val >>= 1;
diff --git a/drivers/i2c/chips/w83781d.c b/drivers/i2c/chips/w83781d.c
index 8912390d30171cc84bc18a04d7a8bb49bba4c439..f47aee88e20cd44ad9ecb6396a7e5a1bbff64aad 100644
--- a/drivers/i2c/chips/w83781d.c
+++ b/drivers/i2c/chips/w83781d.c
@@ -192,7 +192,7 @@ DIV_TO_REG(long val, enum chips type)
 	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;