diff --git a/pglab/DatabaseWindow.cpp b/pglab/DatabaseWindow.cpp
index b10dbed..7588768 100644
--- a/pglab/DatabaseWindow.cpp
+++ b/pglab/DatabaseWindow.cpp
@@ -95,14 +95,10 @@ CrudTab *DatabaseWindow::GetActiveCrud()
 void DatabaseWindow::closeEvent(QCloseEvent *event)
 {
 	for (int idx = 0; idx < m_tabWidget->count(); ++idx) {
-		auto widget = m_tabWidget->widget(idx);
-		auto mp = dynamic_cast<ManagedPage*>(widget);
-		if (mp) {
-			if (!mp->CanClose(true)) {
-				event->ignore();
-				return;
-			}
-		}
+        if (!canCloseTab(idx)) {
+            event->ignore();
+            return;
+        }
 	}
 }