diff --git a/drivers/i2c/chips/w83781d.c b/drivers/i2c/chips/w83781d.c
index 8912390..f47aee8 100644
--- a/drivers/i2c/chips/w83781d.c
+++ b/drivers/i2c/chips/w83781d.c
@@ -192,7 +192,7 @@
 	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;