diff --git a/aegisub/src/audio_controller.cpp b/aegisub/src/audio_controller.cpp
index fc5b8a9f1..5cde9b785 100644
--- a/aegisub/src/audio_controller.cpp
+++ b/aegisub/src/audio_controller.cpp
@@ -148,6 +148,8 @@ AudioController::AudioController()
 	Bind(wxEVT_POWER_SUSPENDED, &AudioController::OnComputerSuspending, this);
 	Bind(wxEVT_POWER_RESUME, &AudioController::OnComputerResuming, this);
 #endif
+
+	keyframes_marker_provider->AddMarkerMovedListener(std::tr1::bind(std::tr1::ref(AnnounceMarkerMoved)));
 }