diff --git a/companion/src/mdichild.cpp b/companion/src/mdichild.cpp
index c57fff243..8d06177ca 100644
--- a/companion/src/mdichild.cpp
+++ b/companion/src/mdichild.cpp
@@ -508,7 +508,7 @@ void MdiChild::initModelsList()
     delete labelsListModel;
   labelsListModel = new LabelsModel(ui->modelsList->selectionModel(),
                                     &radioData, this);
-  connect(labelsListModel, &LabelsModel::modelChanged, this, &MdiChild::refresh);
+  connect(labelsListModel, &LabelsModel::modelChanged, this, &MdiChild::modelLabelsChanged);
   ui->lstLabels->setModel(labelsListModel);
   ui->lstLabels->setSelectionMode(QAbstractItemView::SingleSelection);
   ui->lstLabels->setDragEnabled(true);
@@ -1710,6 +1710,12 @@ void MdiChild::labelDelete()
   labelsListModel->removeRow(row);
 }
 
+void MdiChild::modelLabelsChanged()
+{
+  setWindowModified(true);
+  refresh();
+}
+
 unsigned MdiChild::saveModels(const QVector<int> modelIndices)
 {
   unsigned saves = 0;
diff --git a/companion/src/mdichild.h b/companion/src/mdichild.h
index 5289eb5de..379eed754 100644
--- a/companion/src/mdichild.h
+++ b/companion/src/mdichild.h
@@ -140,6 +140,7 @@ class MdiChild : public QWidget
     void modelSave();
     void labelAdd();
     void labelDelete();
+    void modelLabelsChanged();
     void wizardEdit();
     void modelDuplicate();