diff --git a/sound/soc/sof/compress.c b/sound/soc/sof/compress.c
index 2d4969c705a4..57d5bf0a171e 100644
--- a/sound/soc/sof/compress.c
+++ b/sound/soc/sof/compress.c
@@ -13,7 +13,7 @@
 #include "ops.h"
 #include "probe.h"
 
-struct snd_compress_ops sof_probe_compressed_ops = {
+const struct snd_compress_ops sof_probe_compressed_ops = {
 	.copy		= sof_probe_compr_copy,
 };
 EXPORT_SYMBOL(sof_probe_compressed_ops);
diff --git a/sound/soc/sof/compress.h b/sound/soc/sof/compress.h
index ca8790bd4b13..4448c799e14b 100644
--- a/sound/soc/sof/compress.h
+++ b/sound/soc/sof/compress.h
@@ -13,7 +13,7 @@
 
 #include <sound/compress_driver.h>
 
-extern struct snd_compress_ops sof_probe_compressed_ops;
+extern const struct snd_compress_ops sof_probe_compressed_ops;
 
 int sof_probe_compr_open(struct snd_compr_stream *cstream,
 		struct snd_soc_dai *dai);