diff --git a/effects.cpp b/effects.cpp
index 846fcf3c69..0e62b63a92 100644
--- a/effects.cpp
+++ b/effects.cpp
@@ -235,7 +235,11 @@ EffectsHandlerImpl::EffectsHandlerImpl(Compositor *compositor, Scene *scene)
             if (!c->effectWindow()) {
                 return;
             }
-            emit desktopPresenceChanged(c->effectWindow(), old, c->desktop());
+            // the visibility update hasn't happed yet, thus the signal is delayed to prevent glitches, see also BUG 347490
+            QMetaObject::invokeMethod(this, "desktopPresenceChanged", Qt::QueuedConnection,
+                                      Q_ARG(KWin::EffectWindow*, c->effectWindow()),
+                                      Q_ARG(int, old),
+                                      Q_ARG(int, c->desktop()));
         }
     );
     connect(ws, &Workspace::clientAdded, this,
diff --git a/workspace.cpp b/workspace.cpp
index 2d5ece1f95..2b28838ebc 100644
--- a/workspace.cpp
+++ b/workspace.cpp
@@ -466,7 +466,7 @@ Client* Workspace::createClient(xcb_window_t w, bool is_mapped)
     connect(c, SIGNAL(geometryShapeChanged(KWin::Toplevel*,QRect)), m_compositor, SLOT(checkUnredirect()));
     connect(c, SIGNAL(blockingCompositingChanged(KWin::Client*)), m_compositor, SLOT(updateCompositeBlocking(KWin::Client*)));
     connect(c, SIGNAL(clientFullScreenSet(KWin::Client*,bool,bool)), ScreenEdges::self(), SIGNAL(checkBlocking()));
-    connect(c, &Client::desktopPresenceChanged, this, &Workspace::desktopPresenceChanged, Qt::QueuedConnection);
+    connect(c, &Client::desktopPresenceChanged, this, &Workspace::desktopPresenceChanged);
     if (!c->manage(w, is_mapped)) {
         Client::deleteClient(c);
         return NULL;