diff --git a/Ladybird/BrowserWindow.cpp b/Ladybird/BrowserWindow.cpp
index d0eb5bcbed..769bc8042b 100644
--- a/Ladybird/BrowserWindow.cpp
+++ b/Ladybird/BrowserWindow.cpp
@@ -1,8 +1,10 @@
 #include "BrowserWindow.h"
 #include "WebView.h"
+#include <LibCore/EventLoop.h>
 #include <QStatusBar>
 
-BrowserWindow::BrowserWindow()
+BrowserWindow::BrowserWindow(Core::EventLoop& event_loop)
+    : m_event_loop(event_loop)
 {
     m_toolbar = new QToolBar;
     m_location_edit = new QLineEdit;
@@ -39,3 +41,13 @@ void BrowserWindow::page_favicon_changed(QIcon icon)
 {
     setWindowIcon(icon);
 }
+
+void BrowserWindow::closeEvent(QCloseEvent* event)
+{
+    QWidget::closeEvent(event);
+
+    // FIXME: Ladybird only supports one window at the moment. When we support
+    //        multiple windows, we'll only want to fire off the quit event when
+    //        all of the browser windows have closed.
+    m_event_loop.quit(0);
+}
diff --git a/Ladybird/BrowserWindow.h b/Ladybird/BrowserWindow.h
index 419716d971..80780d95b1 100644
--- a/Ladybird/BrowserWindow.h
+++ b/Ladybird/BrowserWindow.h
@@ -1,3 +1,4 @@
+#include <LibCore/Forward.h>
 #include <QIcon>
 #include <QLineEdit>
 #include <QMainWindow>
@@ -10,10 +11,12 @@ class WebView;
 class BrowserWindow : public QMainWindow {
     Q_OBJECT
 public:
-    BrowserWindow();
+    explicit BrowserWindow(Core::EventLoop&);
 
     WebView& view() { return *m_view; }
 
+    virtual void closeEvent(QCloseEvent*) override;
+
 public slots:
     void location_edit_return_pressed();
     void page_title_changed(QString);
@@ -23,4 +26,5 @@ private:
     QToolBar* m_toolbar { nullptr };
     QLineEdit* m_location_edit { nullptr };
     WebView* m_view { nullptr };
+    Core::EventLoop& m_event_loop;
 };
diff --git a/Ladybird/main.cpp b/Ladybird/main.cpp
index 6c6e9b157e..c5bb0dea9f 100644
--- a/Ladybird/main.cpp
+++ b/Ladybird/main.cpp
@@ -28,7 +28,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     Core::EventLoop event_loop;
 
     QApplication app(arguments.argc, arguments.argv);
-    BrowserWindow window;
+    BrowserWindow window(event_loop);
     window.setWindowTitle("Ladybird");
     window.resize(800, 600);
     window.show();