diff --git a/applets/taskmanager/package/contents/ui/Task.qml b/applets/taskmanager/package/contents/ui/Task.qml
--- a/applets/taskmanager/package/contents/ui/Task.qml
+++ b/applets/taskmanager/package/contents/ui/Task.qml
@@ -340,7 +340,7 @@
                         return model.AppName;
                     });
                     toolTipDelegate.pidParent = Qt.binding(function() {
-                        return model.AppPid;
+                        return model.AppPid ? model.AppPid : 0;
                     });
                     toolTipDelegate.windows = Qt.binding(function() {
                         return model.WinIdList;