diff --git a/src/composite.cpp b/src/composite.cpp
index f29f839685..4e6afc0593 100644
--- a/src/composite.cpp
+++ b/src/composite.cpp
@@ -336,7 +336,7 @@ void Compositor::startupWithWorkspace()
     // Sets also the 'effects' pointer.
     kwinApp()->platform()->createEffectsHandler(this, m_scene);
     connect(Workspace::self(), &Workspace::deletedRemoved, m_scene, &Scene::removeToplevel);
-    connect(effects, &EffectsHandler::screenGeometryChanged, this, &Compositor::addRepaintFull);
+    connect(effects, &EffectsHandler::virtualScreenGeometryChanged, this, &Compositor::addRepaintFull);
 
     for (X11Client *c : Workspace::self()->clientList()) {
         c->setupCompositing();
diff --git a/src/effects/backgroundcontrast/contrast.cpp b/src/effects/backgroundcontrast/contrast.cpp
index c5f9c37045..d471549934 100644
--- a/src/effects/backgroundcontrast/contrast.cpp
+++ b/src/effects/backgroundcontrast/contrast.cpp
@@ -42,7 +42,7 @@ ContrastEffect::ContrastEffect()
     connect(effects, &EffectsHandler::windowAdded, this, &ContrastEffect::slotWindowAdded);
     connect(effects, &EffectsHandler::windowDeleted, this, &ContrastEffect::slotWindowDeleted);
     connect(effects, &EffectsHandler::propertyNotify, this, &ContrastEffect::slotPropertyNotify);
-    connect(effects, &EffectsHandler::screenGeometryChanged, this, &ContrastEffect::slotScreenGeometryChanged);
+    connect(effects, &EffectsHandler::virtualScreenGeometryChanged, this, &ContrastEffect::slotScreenGeometryChanged);
     connect(effects, &EffectsHandler::xcbConnectionChanged, this,
         [this] {
             if (shader && shader->isValid()) {
diff --git a/src/effects/blur/blur.cpp b/src/effects/blur/blur.cpp
index ea4e5465cb..ea987514c5 100644
--- a/src/effects/blur/blur.cpp
+++ b/src/effects/blur/blur.cpp
@@ -52,7 +52,7 @@ BlurEffect::BlurEffect()
     connect(effects, &EffectsHandler::windowAdded, this, &BlurEffect::slotWindowAdded);
     connect(effects, &EffectsHandler::windowDeleted, this, &BlurEffect::slotWindowDeleted);
     connect(effects, &EffectsHandler::propertyNotify, this, &BlurEffect::slotPropertyNotify);
-    connect(effects, &EffectsHandler::screenGeometryChanged, this, &BlurEffect::slotScreenGeometryChanged);
+    connect(effects, &EffectsHandler::virtualScreenGeometryChanged, this, &BlurEffect::slotScreenGeometryChanged);
     connect(effects, &EffectsHandler::xcbConnectionChanged, this,
         [this] {
             if (m_shader && m_shader->isValid() && m_renderTargetsValid) {
diff --git a/src/plugins/platforms/x11/standalone/effects_x11.cpp b/src/plugins/platforms/x11/standalone/effects_x11.cpp
index 7e0d9aa0fc..7faf5e9dfa 100644
--- a/src/plugins/platforms/x11/standalone/effects_x11.cpp
+++ b/src/plugins/platforms/x11/standalone/effects_x11.cpp
@@ -23,13 +23,11 @@ namespace KWin
 EffectsHandlerImplX11::EffectsHandlerImplX11(Compositor *compositor, Scene *scene)
     : EffectsHandlerImpl(compositor, scene)
 {
-    connect(this, &EffectsHandlerImpl::screenGeometryChanged, this,
-        [this] (const QSize &size) {
-            if (m_mouseInterceptionWindow.isValid()) {
-                m_mouseInterceptionWindow.setGeometry(QRect(0, 0, size.width(), size.height()));
-            }
+    connect(this, &EffectsHandlerImpl::virtualScreenGeometryChanged, this, [this]() {
+        if (m_mouseInterceptionWindow.isValid()) {
+            m_mouseInterceptionWindow.setGeometry(virtualScreenGeometry());
         }
-    );
+    });
 }
 
 EffectsHandlerImplX11::~EffectsHandlerImplX11()