diff --git a/src/tracks/MidiClip.cpp b/src/tracks/MidiClip.cpp
index e9b507df5..b422be824 100644
--- a/src/tracks/MidiClip.cpp
+++ b/src/tracks/MidiClip.cpp
@@ -288,6 +288,7 @@ void MidiClip::clearNotes()
 	instrumentTrack()->unlock();
 
 	checkType();
+	updateLength();
 	emit dataChanged();
 }