diff --git a/lib/logic/state.dart b/lib/logic/state.dart
index 3a55b88..4a9237c 100644
--- a/lib/logic/state.dart
+++ b/lib/logic/state.dart
@@ -48,6 +48,7 @@ class PlayerState extends ChangeNotifier {
     _sequenceObserver();
     _positionObserver();
     _playingObserver();
+    _processingObserver();
   }
   // state for getters
   Duration? _latestDuration = Duration.zero;
@@ -290,13 +291,21 @@ class PlayerState extends ChangeNotifier {
   /// Should be called only once
   void _sequenceObserver() async {
     await for (final _ in _player.currentIndexStream) {
-      // apply effects
-      _soundEffect();
       // update ui
       notifyListeners();
     }
   }
 
+  /// Should be called only once
+  void _processingObserver() async {
+    await for (final state in _player.processingStateStream) {
+      if (state == ProcessingState.ready) {
+        // apply effects
+        _soundEffect();
+      }
+    }
+  }
+
   /// Should be called only once
   void _positionObserver() async {
     await for (final _ in _player.positionStream) {
@@ -307,6 +316,7 @@ class PlayerState extends ChangeNotifier {
   /// Should be called only once
   void _playingObserver() async {
     await for (final _ in _player.playingStream) {
+      // apply effects
       _soundEffect();
       notifyListeners();
     }
diff --git a/pubspec.yaml b/pubspec.yaml
index 7d04e2c..2d23854 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -16,7 +16,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
 # In Windows, build-name is used as the major, minor, and patch parts
 # of the product and file versions while build-number is used as the build suffix.
-version: 0.0.4+1
+version: 0.0.5+1
 
 environment:
   sdk: '>=3.3.4 <4.0.0'