diff --git a/logout-greeter/shutdowndlg.cpp b/logout-greeter/shutdowndlg.cpp
index f902d631a..70ea05ebf 100644
--- a/logout-greeter/shutdowndlg.cpp
+++ b/logout-greeter/shutdowndlg.cpp
@@ -210,7 +210,7 @@ void KSMShutdownDlg::init()
     setKeyboardGrabEnabled(true);
     KWindowEffects::enableBlurBehind(winId(), true);
     if (auto w = LayerShellQt::Window::get(this)) {
-        w->setKeyboardInteractivity(true);
+        w->setKeyboardInteractivity(LayerShellQt::Window::KeyboardInteractivityExclusive);
         w->setExclusiveZone(-1);
         w->setLayer(LayerShellQt::Window::LayerOverlay);
     }