diff --git a/effects/coverswitch/coverswitch.cpp b/effects/coverswitch/coverswitch.cpp
index fa6ec84a3f..92772d4b2f 100644
--- a/effects/coverswitch/coverswitch.cpp
+++ b/effects/coverswitch/coverswitch.cpp
@@ -420,6 +420,7 @@ void CoverSwitchEffect::slotTabBoxAdded(int mode)
     if (effects->activeFullScreenEffect() && effects->activeFullScreenEffect() != this)
         return;
     if (!mActivated) {
+        effects->setShowingDesktop(false);
         // only for windows mode
         if (((mode == TabBoxWindowsMode && primaryTabBox) ||
                 (mode == TabBoxWindowsAlternativeMode && secondaryTabBox) ||
diff --git a/effects/flipswitch/flipswitch.cpp b/effects/flipswitch/flipswitch.cpp
index f429b05806..63a16debe5 100644
--- a/effects/flipswitch/flipswitch.cpp
+++ b/effects/flipswitch/flipswitch.cpp
@@ -407,6 +407,7 @@ void FlipSwitchEffect::slotTabBoxAdded(int mode)
     if (effects->activeFullScreenEffect() && effects->activeFullScreenEffect() != this)
         return;
     // only for windows mode
+    effects->setShowingDesktop(false);
     if (((mode == TabBoxWindowsMode && m_tabbox) ||
             (mode == TabBoxWindowsAlternativeMode && m_tabboxAlternative) ||
             (mode == TabBoxCurrentAppWindowsMode && m_tabbox) ||