2 files changed, 4 insertions, 0 deletions

diff --git a/firmware/export/id3.h b/firmware/export/id3.h
index 23f554df44..74b49635ba 100644
--- a/firmware/export/id3.h
+++ b/firmware/export/id3.h
@@ -47,6 +47,7 @@ enum
     AFMT_SHN,          /* Shorten */
     AFMT_SID,          /* SID File Format */
     AFMT_ADX,          /* ADX File Format */
+    AFMT_NSF,          /* NESM (NES Sound Format) */
 #endif
 
     /* add new formats at any index above this line to have a sensible order -
diff --git a/firmware/id3.c b/firmware/id3.c
index 3445bc2af1..4276db6027 100644
--- a/firmware/id3.c
+++ b/firmware/id3.c
@@ -98,6 +98,9 @@ const struct afmt_entry audio_formats[AFMT_NUM_CODECS] =
     /* ADX File Format */
     [AFMT_ADX] =
         AFMT_ENTRY("ADX",  "adx",     NULL,          "adx\0"      ),
+    /* NESM (NES Sound Format) */
+    [AFMT_NSF] =
+        AFMT_ENTRY("NSF",  "nsf",     NULL,          "nsf\0nsfe\0"      ),
 #endif
 };