diff --git a/src/gui/mainwindow.cpp b/src/gui/mainwindow.cpp
index ee97364..2631952 100644
--- a/src/gui/mainwindow.cpp
+++ b/src/gui/mainwindow.cpp
@@ -49,7 +49,7 @@ void MainWindow::on_actionEditSeller_triggered()
     auto dialog = std::make_unique<SellerDialog>(this);
     int retCode = dialog->exec();
 
-    ui_.salesView->setModel(nullptr);
+    delete ui_.salesView->model();
 
     if (retCode == QDialog::Accepted) {
         marketplace_->sortSellers();