diff --git a/src/Gui/KSMainWindow.cpp b/src/Gui/KSMainWindow.cpp
--- a/src/Gui/KSMainWindow.cpp
+++ b/src/Gui/KSMainWindow.cpp
@@ -34,6 +34,7 @@
 #include <QPrintDialog>
 #include <QPushButton>
 #include <QTimer>
+#include <QtMath>
 #include <QVariantAnimation>
 #include <QVBoxLayout>
 
@@ -291,6 +292,8 @@
     delayAnimation->setDuration(timer->interval());
     connect(delayAnimation, &QVariantAnimation::valueChanged, this, [=] {
         unityUpdate({ {QStringLiteral("progress"), delayAnimation->currentValue().toDouble()} });
+        setWindowTitle(i18ncp("@title:window", "%1 second", "%1 seconds",
+            qCeil((1 - delayAnimation->currentValue().toFloat()) * theTimeout / 1000)));
     });
     connect(timer, &QTimer::timeout, this, [=] {
         this->hide();