diff --git a/project/app/src/main/java/com/iven/musicplayergo/music/MusicViewModel.kt b/project/app/src/main/java/com/iven/musicplayergo/music/MusicViewModel.kt
index 00d57c1fb..f37175105 100644
--- a/project/app/src/main/java/com/iven/musicplayergo/music/MusicViewModel.kt
+++ b/project/app/src/main/java/com/iven/musicplayergo/music/MusicViewModel.kt
@@ -12,7 +12,7 @@ class MusicViewModel : ViewModel() {
     private class LoadMusicTask(private val musicCursor: Cursor) :
         AsyncTask<Void, Void, Pair<MutableList<Music>, Map<String, Map<String, List<Music>>>>>() {
 
-        var allDeviceSongs = mutableListOf<Music>()
+        private var allDeviceSongs = mutableListOf<Music>()
 
         init {
             execute()