diff --git a/sound/soc/codecs/max98088.c b/sound/soc/codecs/max98088.c
index 3a7b7fd14e3e..3eeada57e87d 100644
--- a/sound/soc/codecs/max98088.c
+++ b/sound/soc/codecs/max98088.c
@@ -2024,7 +2024,7 @@ static int max98088_probe(struct snd_soc_codec *codec)
                        ret);
                goto err_access;
        }
-       dev_info(codec->dev, "revision %c\n", ret + 'A');
+       dev_info(codec->dev, "revision %c\n", ret - 0x40 + 'A');
 
        snd_soc_write(codec, M98088_REG_51_PWR_SYS, M98088_PWRSV);