diff --git a/src/dolphinmainwindow.cpp b/src/dolphinmainwindow.cpp
--- a/src/dolphinmainwindow.cpp
+++ b/src/dolphinmainwindow.cpp
@@ -995,7 +995,6 @@
 void DolphinMainWindow::tabCountChanged(int count)
 {
     const bool enableTabActions = (count > 1);
-    actionCollection()->action(KStandardAction::name(KStandardAction::Close))->setEnabled(enableTabActions);
     actionCollection()->action(QStringLiteral("activate_next_tab"))->setEnabled(enableTabActions);
     actionCollection()->action(QStringLiteral("activate_prev_tab"))->setEnabled(enableTabActions);
 }
@@ -1048,7 +1047,6 @@
     QAction* closeTab = KStandardAction::close(
             m_tabWidget, static_cast<void(DolphinTabWidget::*)()>(&DolphinTabWidget::closeTab), actionCollection());
     closeTab->setText(i18nc("@action:inmenu File", "Close Tab"));
-    closeTab->setEnabled(false);
 
     KStandardAction::quit(this, &DolphinMainWindow::quit, actionCollection());
 
diff --git a/src/dolphintabwidget.cpp b/src/dolphintabwidget.cpp
--- a/src/dolphintabwidget.cpp
+++ b/src/dolphintabwidget.cpp
@@ -226,7 +226,8 @@
     Q_ASSERT(index < count());
 
     if (count() < 2) {
-        // Never close the last tab.
+        // Close Dolphin when closing the last tab.
+        parentWidget()->close();
         return;
     }