diff --git a/src/GUI/NETGENPluginGUI_HypothesisCreator.cxx b/src/GUI/NETGENPluginGUI_HypothesisCreator.cxx
index 4eb3402..1e1aad7 100644
--- a/src/GUI/NETGENPluginGUI_HypothesisCreator.cxx
+++ b/src/GUI/NETGENPluginGUI_HypothesisCreator.cxx
@@ -699,7 +699,7 @@ void NETGENPluginGUI_HypothesisCreator::onRemoveLocalSizeOnShape()
   QList<QTableWidgetItem*> selected = myLocalSizeTable->selectedItems();
   QTableWidgetItem* item;
   int row;
-  foreach(item, selected) {
+  Q_FOREACH(item, selected) {
     row = item->row();
     if (!selectedRows.contains(row))
       selectedRows.append( row );
diff --git a/src/GUI/NETGENPluginGUI_HypothesisCreator.h b/src/GUI/NETGENPluginGUI_HypothesisCreator.h
index 3409cf4..0c65667 100644
--- a/src/GUI/NETGENPluginGUI_HypothesisCreator.h
+++ b/src/GUI/NETGENPluginGUI_HypothesisCreator.h
@@ -74,7 +74,7 @@ protected:
   virtual QPixmap  icon() const;
   virtual QString  type() const;
 
-protected slots:
+protected Q_SLOTS:
   virtual void     onFinenessChanged();
   virtual void     onSurfaceCurvatureChanged();
   virtual void     onAddLocalSizeOnVertex();
diff --git a/src/GUI/NETGENPluginGUI_SimpleCreator.h b/src/GUI/NETGENPluginGUI_SimpleCreator.h
index 743901c..0483a8c 100644
--- a/src/GUI/NETGENPluginGUI_SimpleCreator.h
+++ b/src/GUI/NETGENPluginGUI_SimpleCreator.h
@@ -55,7 +55,7 @@ protected:
   virtual QPixmap  icon() const;
   virtual QString  type() const;
 
-protected slots:
+protected Q_SLOTS:
   void             onValueChanged();
 
 private: