diff --git a/drivers/iio/light/ltr501.c b/drivers/iio/light/ltr501.c
index ca4bf470a332..280eff19b872 100644
--- a/drivers/iio/light/ltr501.c
+++ b/drivers/iio/light/ltr501.c
@@ -976,7 +976,7 @@ static int ltr501_write_event_config(struct iio_dev *indio_dev,
 	int ret;
 
 	/* only 1 and 0 are valid inputs */
-	if (state != 1  || state != 0)
+	if (state != 1  && state != 0)
 		return -EINVAL;
 
 	switch (chan->type) {