diff --git a/ksplash/ksplashqml/splashapp.cpp b/ksplash/ksplashqml/splashapp.cpp
index 947d6a54e..48ab32e7e 100644
--- a/ksplash/ksplashqml/splashapp.cpp
+++ b/ksplash/ksplashqml/splashapp.cpp
@@ -118,6 +118,9 @@ void SplashApp::setStage(int stage)
 
 void SplashApp::adoptScreen(QScreen *screen)
 {
+    if (screen->geometry().isNull()) {
+        return;
+    }
     SplashWindow *w = new SplashWindow(m_testing, m_window, m_theme);
     w->setGeometry(screen->geometry());
     w->setScreen(screen);
diff --git a/logout-greeter/greeter.cpp b/logout-greeter/greeter.cpp
index 165aa465d..54a7cc934 100644
--- a/logout-greeter/greeter.cpp
+++ b/logout-greeter/greeter.cpp
@@ -56,6 +56,9 @@ void Greeter::init()
 
 void Greeter::adoptScreen(QScreen *screen)
 {
+    if (screen->geometry().isNull()) {
+        return;
+    }
     // TODO: last argument is the theme, maybe add command line option for it?
     KSMShutdownDlg *w = new KSMShutdownDlg(nullptr, m_shutdownType);
     w->installEventFilter(this);