diff --git a/gui/src/Visualization/VisualizationGraphWidget.cpp b/gui/src/Visualization/VisualizationGraphWidget.cpp
index 6747bda..c60b0f4 100644
--- a/gui/src/Visualization/VisualizationGraphWidget.cpp
+++ b/gui/src/Visualization/VisualizationGraphWidget.cpp
@@ -67,8 +67,7 @@ void VisualizationGraphWidget::addVariable(std::shared_ptr<Variable> variable)
         impl->m_VariableToPlotMultiMap.insert({variable, createdPlottable});
     }
 
-    connect(variable.get(), &Variable::dataCacheUpdated, this,
-            &VisualizationGraphWidget::onDataCacheVariableUpdated);
+    connect(variable.get(), SIGNAL(dataCacheUpdated()), this, SLOT(onDataCacheVariableUpdated()));
 }
 
 void VisualizationGraphWidget::accept(IVisualizationWidgetVisitor *visitor)
diff --git a/plugins/mockplugin/src/CosinusProvider.cpp b/plugins/mockplugin/src/CosinusProvider.cpp
index d661359..d142c18 100644
--- a/plugins/mockplugin/src/CosinusProvider.cpp
+++ b/plugins/mockplugin/src/CosinusProvider.cpp
@@ -45,7 +45,7 @@ void CosinusProvider::requestDataLoading(const QVector<SqpDateTime> &dateTimeLis
 }
 
 
-std::shared_ptr<IDataSeries> retrieveDataSeries(const SqpDateTime &dateTime)
+std::shared_ptr<IDataSeries> CosinusProvider::retrieveDataSeries(const SqpDateTime &dateTime)
 {
 
     // Gets the timerange from the parameters