diff --git a/src/audio_timing_dialogue.cpp b/src/audio_timing_dialogue.cpp
index 111fce398..1fd7a689b 100644
--- a/src/audio_timing_dialogue.cpp
+++ b/src/audio_timing_dialogue.cpp
@@ -816,6 +816,7 @@ void AudioTimingControllerDialogue::RegenerateMarkers()
 		line.GetMarkers(&markers);
 	for (auto const& line : inactive_lines)
 		line.GetMarkers(&markers);
+	boost::sort(markers, marker_ptr_cmp());
 
 	AnnounceMarkerMoved();
 }