diff --git a/sound/soc/codecs/es9356.c b/sound/soc/codecs/es9356.c
index 1122455aab77..f574b3d6cb3c 100644
--- a/sound/soc/codecs/es9356.c
+++ b/sound/soc/codecs/es9356.c
@@ -671,7 +671,7 @@ static int es9356_sdca_mbq_size(struct device *dev, unsigned int reg)
 	}
 }
 
-static struct regmap_sdw_mbq_cfg es9356_mbq_config = {
+static const struct regmap_sdw_mbq_cfg es9356_mbq_config = {
 	.mbq_size = es9356_sdca_mbq_size,
 };