diff --git a/app/src/main/cpp/PlaybackEngine.cpp b/app/src/main/cpp/PlaybackEngine.cpp
index 58026c4..34076fe 100644
--- a/app/src/main/cpp/PlaybackEngine.cpp
+++ b/app/src/main/cpp/PlaybackEngine.cpp
@@ -35,8 +35,8 @@ static inline int readBuffer2(MP3File* mp3)
     mp3->remaining_samples -= done / sizeof(int16_t);
     mp3->offset = 0;
     if (err != MPG123_OK) LOGI("err=%d done=%d", err, done); // err=-12
-    if(err == MPG123_DONE) return done;
-    return err != MPG123_OK ? 0 : done;
+    if(err == MPG123_DONE) return done / sizeof(int16_t);
+    return err != MPG123_OK ? 0 : done / sizeof(int16_t);
 }
 
 static bool read_mp3(std::string filename, std::vector<float>& samples) {