diff --git a/gtk2_ardour/cue_editor.cc b/gtk2_ardour/cue_editor.cc
index 3a8182c955..0bb301b8ae 100644
--- a/gtk2_ardour/cue_editor.cc
+++ b/gtk2_ardour/cue_editor.cc
@@ -1976,15 +1976,19 @@ CueEditor::set_start (Temporal::timepos_t const & p)
 {
 	EC_LOCAL_TEMPO_SCOPE;
 
+	begin_reversible_command (_("trim region front"));
+
 	if (ref.trigger()) {
+		ref.trigger()->the_region()->clear_changes ();
 		ref.trigger()->the_region()->trim_front (p);
+		add_command (new PBD::StatefulDiffCommand (ref.trigger()->the_region()));
 	} else if (_region) {
-		begin_reversible_command (_("trim region front"));
 		_region->clear_changes ();
 		_region->trim_front (_region->source_position() + p);
 		add_command (new PBD::StatefulDiffCommand (_region));
-		commit_reversible_command ();
 	}
+
+	commit_reversible_command ();
 }
 
 void
@@ -1992,13 +1996,17 @@ CueEditor::set_end (Temporal::timepos_t const & p)
 {
 	EC_LOCAL_TEMPO_SCOPE;
 
+	begin_reversible_command (_("trim region end"));
+
 	if (ref.trigger()) {
+		ref.trigger()->the_region()->clear_changes ();
 		ref.trigger()->the_region()->trim_end (p);
+		add_command (new PBD::StatefulDiffCommand (ref.trigger()->the_region()));
 	} else if (_region) {
-		begin_reversible_command (_("trim region end"));
 		_region->clear_changes ();
 		_region->trim_end (_region->source_position() + p);
 		add_command (new PBD::StatefulDiffCommand (_region));
-		commit_reversible_command ();
 	}
+
+	commit_reversible_command ();
 }