diff --git a/audio-decoder.rkt b/audio-decoder.rkt
index 73a820b..4d18839 100644
--- a/audio-decoder.rkt
+++ b/audio-decoder.rkt
@@ -47,7 +47,7 @@
 
   ;; MP3
   (hash-set! audio-readers
-             'mp3
+             'ffmpeg
              (make-audio-reader '("mp3")
                                 mp3-valid?
                                 mp3-open