diff --git a/QtMeshViewer/Resources/Resources.qrc b/QtMeshViewer/Resources/Resources.qrc
index 71e7c0b..080db7a 100644
--- a/QtMeshViewer/Resources/Resources.qrc
+++ b/QtMeshViewer/Resources/Resources.qrc
@@ -26,5 +26,6 @@
         <file>X_disabled.png</file>
         <file>Y_disabled.png</file>
         <file>Z_disabled.png</file>
+        <file>settings.png</file>
     </qresource>
 </RCC>
diff --git a/QtMeshViewer/Resources/StyleSheet.txt b/QtMeshViewer/Resources/StyleSheet.txt
index 8c7d7b8..b36e3a9 100644
--- a/QtMeshViewer/Resources/StyleSheet.txt
+++ b/QtMeshViewer/Resources/StyleSheet.txt
@@ -71,6 +71,10 @@ QToolButton#light:checked {
 	image: url(:/images/toolbar/light_on.png);
 }
 
+QToolButton#settings {
+	image: url(:/images/toolbar/settings.png);
+}
+
 QToolButton#fileInfo {
 	image: url(:/images/toolbar/info.png);
 }
diff --git a/QtMeshViewer/Resources/settings.png b/QtMeshViewer/Resources/settings.png
new file mode 100644
index 0000000..9c51c3a
Binary files /dev/null and b/QtMeshViewer/Resources/settings.png differ
diff --git a/QtMeshViewer/Source/MainWindow.cpp b/QtMeshViewer/Source/MainWindow.cpp
index c2d8977..01b1f07 100644
--- a/QtMeshViewer/Source/MainWindow.cpp
+++ b/QtMeshViewer/Source/MainWindow.cpp
@@ -29,6 +29,9 @@ MainWindow::MainWindow(QWidget *parent)
 
 	QSurfaceFormat format;
 	format.setDepthBufferSize(24);
+	format.setMajorVersion(2);
+	format.setMinorVersion(0);
+	format.setProfile(QSurfaceFormat::NoProfile);
 	QSurfaceFormat::setDefaultFormat(format);
 
 	setupWidgets();