diff --git a/dataengine.cpp b/dataengine.cpp
index b28658f8c..7be42f9d3 100644
--- a/dataengine.cpp
+++ b/dataengine.cpp
@@ -671,6 +671,7 @@ void DataEnginePrivate::connectSource(DataContainer *s, QObject *visualization,
         QMetaObject::invokeMethod(visualization, "dataUpdated",
                                   Q_ARG(QString, s->objectName()),
                                   Q_ARG(Plasma::DataEngine::Data, s->data()));
+        s->d->dirty = false;
     }
 }