diff --git a/drivers/iio/dac/max5522.c b/drivers/iio/dac/max5522.c
index 00ba4e98fb9c57f546b8d1820b03e876411bed05..05034a306597b3bd1884171b906fc190bf383df0 100644
--- a/drivers/iio/dac/max5522.c
+++ b/drivers/iio/dac/max5522.c
@@ -52,7 +52,7 @@ struct max5522_state {
 	} \
 }
 
-const struct iio_chan_spec max5522_channels[] = {
+static const struct iio_chan_spec max5522_channels[] = {
 	MAX5522_CHANNEL(0),
 	MAX5522_CHANNEL(1),
 };