2 files changed, 4 insertions, 4 deletions

diff --git a/firmware/export/id3.h b/firmware/export/id3.h
index bb3b6a6fe5..0035fae19a 100644
--- a/firmware/export/id3.h
+++ b/firmware/export/id3.h
@@ -234,7 +234,7 @@ bool mp3info(struct mp3entry *entry, const char *filename);
 char* id3_get_num_genre(const unsigned int genre_num);
 char* id3_get_codec(const struct mp3entry* id3);
 int getid3v2len(int fd);
-void adjust_mp3entry(struct mp3entry *entry, void *dest, void *orig);
-void copy_mp3entry(struct mp3entry *dest, struct mp3entry *orig);
+void adjust_mp3entry(struct mp3entry *entry, void *dest, const void *orig);
+void copy_mp3entry(struct mp3entry *dest, const struct mp3entry *orig);
 
 #endif
diff --git a/firmware/id3.c b/firmware/id3.c
index f594528910..6afe2ac304 100644
--- a/firmware/id3.c
+++ b/firmware/id3.c
@@ -1231,7 +1231,7 @@ bool mp3info(struct mp3entry *entry, const char *filename)
     return result;
 }
 
-void adjust_mp3entry(struct mp3entry *entry, void *dest, void *orig)
+void adjust_mp3entry(struct mp3entry *entry, void *dest, const void *orig)
 {
     long offset;
     if (orig > dest)
@@ -1270,7 +1270,7 @@ void adjust_mp3entry(struct mp3entry *entry, void *dest, void *orig)
 #endif
 }
 
-void copy_mp3entry(struct mp3entry *dest, struct mp3entry *orig)
+void copy_mp3entry(struct mp3entry *dest, const struct mp3entry *orig)
 {
     memcpy(dest, orig, sizeof(struct mp3entry));
     adjust_mp3entry(dest, dest, orig);