1 files changed, 2 insertions, 0 deletions
diff --git a/qt-ui/mainwindow.h b/qt-ui/mainwindow.h
index 43ebde7f5..fdb100c7a 100644
--- a/qt-ui/mainwindow.h
+++ b/qt-ui/mainwindow.h
@@ -9,6 +9,7 @@
 
 #include <QMainWindow>
 
+class QSortFilterProxyModel;
 class DiveTripModel;
 
 namespace Ui
@@ -68,6 +69,7 @@ private Q_SLOTS:
 private:
 	Ui::MainWindow *ui;
 	DiveTripModel *model;
+	QSortFilterProxyModel *sortModel;
 	QString filter();
 	bool askSaveChanges();