diff --git a/shell/shellcorona.cpp b/shell/shellcorona.cpp
--- a/shell/shellcorona.cpp
+++ b/shell/shellcorona.cpp
@@ -1120,7 +1120,7 @@
     foreach (DesktopView *view, m_views) {
         if (view->screen()->geometry().contains(cursorPos)) {
             //The view QML has to provide something to display the activity explorer
-            view->rootObject()->metaObject()->invokeMethod(view->rootObject(), "toggleActivityManager");
+            view->rootObject()->metaObject()->invokeMethod(view->rootObject(), "toggleActivityManager", Qt::QueuedConnection);
             return;
         }
     }