diff --git a/sound/core/rawmidi.c b/sound/core/rawmidi.c
index 7bc95c24f724..20dd08e1f675 100644
--- a/sound/core/rawmidi.c
+++ b/sound/core/rawmidi.c
@@ -249,7 +249,7 @@ static int assign_substream(struct snd_rawmidi *rmidi, int subdevice,
 {
 	struct snd_rawmidi_substream *substream;
 	struct snd_rawmidi_str *s = &rmidi->streams[stream];
-	static unsigned int info_flags[2] = {
+	static const unsigned int info_flags[2] = {
 		[SNDRV_RAWMIDI_STREAM_OUTPUT] = SNDRV_RAWMIDI_INFO_OUTPUT,
 		[SNDRV_RAWMIDI_STREAM_INPUT] = SNDRV_RAWMIDI_INFO_INPUT,
 	};