diff --git a/drivers/iio/adc/men_z188_adc.c b/drivers/iio/adc/men_z188_adc.c
index d095efe1ba14..8f3606de4eaf 100644
--- a/drivers/iio/adc/men_z188_adc.c
+++ b/drivers/iio/adc/men_z188_adc.c
@@ -78,7 +78,7 @@ static int z188_iio_read_raw(struct iio_dev *iio_dev,
 	return ret;
 }
 
-static struct iio_info z188_adc_info = {
+static const struct iio_info z188_adc_info = {
 	.read_raw = &z188_iio_read_raw,
 	.driver_module = THIS_MODULE,
 };