diff --git a/playback.cpp b/playback.cpp
index 26aeb5a..4e13572 100644
--- a/playback.cpp
+++ b/playback.cpp
@@ -174,6 +174,8 @@ void PlaybackInstance::Load(const char *file, int idx) {
     paused = false;
     just_started.store(true);
     flag_mutex.unlock();
+    set_signal(PlaybackSignalStarted);
+    set_signal(PlaybackSignalFileChanged);
 }
 void PlaybackInstance::Unload() {
     if (process == nullptr) return;
@@ -185,6 +187,7 @@ void PlaybackInstance::Unload() {
     if (buf) free(buf);
     buf = nullptr;
     UnlockAudioDevice();
+    set_signal(PlaybackSignalStopped);
 }
 void PlaybackInstance::UpdateST() {
     bool any_changed = false;