diff --git a/src/Gui/CombiView.cpp b/src/Gui/CombiView.cpp
index ca840c8ba..a46d10974 100644
--- a/src/Gui/CombiView.cpp
+++ b/src/Gui/CombiView.cpp
@@ -57,7 +57,6 @@ CombiView::CombiView(Gui::Document* pcDocument, QWidget *parent)
     tabs = new QTabWidget ();
     tabs->setObjectName(QString::fromUtf8("combiTab"));
     tabs->setTabPosition(QTabWidget::North);
-    //tabs->setTabShape(QTabWidget::Triangular);
     pLayout->addWidget( tabs, 0, 0 );
 
     // splitter between tree and property view
diff --git a/src/Gui/PropertyView.cpp b/src/Gui/PropertyView.cpp
index f2ff9b70a..ee984fee7 100644
--- a/src/Gui/PropertyView.cpp
+++ b/src/Gui/PropertyView.cpp
@@ -70,7 +70,9 @@ PropertyView::PropertyView(QWidget *parent)
     tabs = new QTabWidget (this);
     tabs->setObjectName(QString::fromUtf8("propertyTab"));
     tabs->setTabPosition(QTabWidget::South);
+#if defined(Q_OS_WIN32)
     tabs->setTabShape(QTabWidget::Triangular);
+#endif
     pLayout->addWidget(tabs, 0, 0);
 
     propertyEditorView = new Gui::PropertyEditor::PropertyEditor();