diff --git a/qutebrowser/mainwindow/mainwindow.py b/qutebrowser/mainwindow/mainwindow.py
index b95de54fc..3fdad13d1 100644
--- a/qutebrowser/mainwindow/mainwindow.py
+++ b/qutebrowser/mainwindow/mainwindow.py
@@ -99,6 +99,7 @@ def raise_window(window, alert=True):
     window.setWindowState(window.windowState() & ~Qt.WindowMinimized)
     window.setWindowState(window.windowState() | Qt.WindowActive)
     window.raise_()
+    # WORKAROUND for https://bugreports.qt.io/browse/QTBUG-69568
     QCoreApplication.processEvents(
         QEventLoop.ExcludeUserInputEvents | QEventLoop.ExcludeSocketNotifiers)
     window.activateWindow()