diff --git a/audio-decoder.rkt b/audio-decoder.rkt
index 4d18839..38edffb 100644
--- a/audio-decoder.rkt
+++ b/audio-decoder.rkt
@@ -47,7 +47,7 @@
 
   ;; MP3
   (hash-set! audio-readers
-             'ffmpeg
+             'mp3
              (make-audio-reader '("mp3")
                                 mp3-valid?
                                 mp3-open
@@ -227,7 +227,7 @@
     (not (null? (filter (λ (e) (string-ci=? ext e)) (audio-reader-exts reader)))))
 
   (define reader-for-kind
-    (make-hash '((mp3 . mp3)            ; ffmpeg does a better job on gapless playback...
+    (make-hash '((mp3 . ffmpeg)            ; ffmpeg does a better job on gapless playback...
                  (flac . flac)
                  (ogg . ffmpeg)
                  (vorbis . ffmpeg)
diff --git a/play-test.rkt b/play-test.rkt
index 4118e58..b33b830 100644
--- a/play-test.rkt
+++ b/play-test.rkt
@@ -9,7 +9,7 @@
          ;racket-sound
          )
 
-(define-runtime-path tests "tests")
+(define-runtime-path tests "../racket-audio-test")
 
 (define test-file3 #f)
 (define test-file4 #f)