diff --git a/drivers/hwmon/ibmpowernv.c b/drivers/hwmon/ibmpowernv.c
index 594254d6a72d..70ca833259ab 100644
--- a/drivers/hwmon/ibmpowernv.c
+++ b/drivers/hwmon/ibmpowernv.c
@@ -234,7 +234,7 @@ static int get_sensor_index_attr(const char *name, u32 *index, char *attr)
 	if (copy_len >= sizeof(buf))
 		return -EINVAL;
 
-	strncpy(buf, hash_pos + 1, copy_len);
+	memcpy(buf, hash_pos + 1, copy_len);
 
 	err = kstrtou32(buf, 10, index);
 	if (err)