diff --git a/sound/soc/codecs/max9867.c b/sound/soc/codecs/max9867.c
index 0247edc9c84e..2a40a69a7513 100644
--- a/sound/soc/codecs/max9867.c
+++ b/sound/soc/codecs/max9867.c
@@ -132,7 +132,7 @@ enum rates {
 	pcm_rate_48, max_pcm_rate,
 };
 
-struct ni_div_rates {
+static const struct ni_div_rates {
 	u32 mclk;
 	u16 ni[max_pcm_rate];
 } ni_div[] = {