diff --git a/gpxsee.pro b/gpxsee.pro
index 772ebb34..f494cb18 100644
--- a/gpxsee.pro
+++ b/gpxsee.pro
@@ -5,7 +5,8 @@ QT += core \
     network
 greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
 greaterThan(QT_MAJOR_VERSION, 4): QT += printsupport
-lessThan(QT_VERSION, 5.4) : QT += opengl
+lessThan(QT_VERSION, 5.4): QT += opengl
+macx: QT += opengl
 HEADERS += src/config.h \
     src/icons.h \
     src/gui.h \
@@ -74,7 +75,8 @@ HEADERS += src/config.h \
     src/nmeaparser.h \
     src/optionsdialog.h \
     src/colorbox.h \
-    src/stylecombobox.h
+    src/stylecombobox.h \
+    src/opengl.h
 SOURCES += src/main.cpp \
     src/gui.cpp \
     src/poi.cpp \
diff --git a/src/app.cpp b/src/app.cpp
index fc66e1b1..e7ffc208 100644
--- a/src/app.cpp
+++ b/src/app.cpp
@@ -4,11 +4,7 @@
 #include <QFileOpenEvent>
 #include <QNetworkProxyFactory>
 #include <QPixmapCache>
-#if QT_VERSION < QT_VERSION_CHECK(5, 4, 0)
-#include <QGLFormat>
-#else // QT 5.4
-#include <QSurfaceFormat>
-#endif // QT 5.4
+#include "opengl.h"
 #include "gui.h"
 #include "app.h"
 
@@ -26,18 +22,8 @@ App::App(int &argc, char **argv) : QApplication(argc, argv),
 #endif // Q_OS_MAC
 
 	QNetworkProxyFactory::setUseSystemConfiguration(true);
-
-#if QT_VERSION < QT_VERSION_CHECK(5, 4, 0)
-	QGLFormat fmt;
-	fmt.setSamples(4);
-	QGLFormat::setDefaultFormat(fmt);
-#else // QT 5.4
-	QSurfaceFormat fmt;
-	fmt.setSamples(4);
-	QSurfaceFormat::setDefaultFormat(fmt);
-#endif // QT 5.4
-
 	QPixmapCache::setCacheLimit(65536);
+	OPENGL_SET_SAMPLES(4);
 
 	_gui = new GUI();
 }
diff --git a/src/graphview.cpp b/src/graphview.cpp
index febb5eb0..2529cc79 100644
--- a/src/graphview.cpp
+++ b/src/graphview.cpp
@@ -3,12 +3,8 @@
 #include <QMouseEvent>
 #include <QPaintEngine>
 #include <QPaintDevice>
-#if QT_VERSION < QT_VERSION_CHECK(5, 4, 0)
-#include <QGLWidget>
-#else // QT 5.4
-#include <QOpenGLWidget>
-#endif // QT 5.4
 #include <QSysInfo>
+#include "opengl.h"
 #include "config.h"
 #include "axisitem.h"
 #include "slideritem.h"
@@ -466,11 +462,7 @@ void GraphView::useOpenGL(bool use)
 #ifdef Q_OS_WIN32
 		if (QSysInfo::WindowsVersion >= QSysInfo::WV_VISTA)
 #endif // Q_OS_WIN32
-#if QT_VERSION < QT_VERSION_CHECK(5, 4, 0)
-		setViewport(new QGLWidget);
-#else // QT 5.4
-		setViewport(new QOpenGLWidget);
-#endif // QT 5.4
+	setViewport(new OPENGL_WIDGET);
 	} else
 		setViewport(new QWidget);
 }
diff --git a/src/opengl.h b/src/opengl.h
new file mode 100644
index 00000000..8a6ab71a
--- /dev/null
+++ b/src/opengl.h
@@ -0,0 +1,26 @@
+#include <QtGlobal>
+#if QT_VERSION < QT_VERSION_CHECK(5, 4, 0) || defined(Q_OS_MAC)
+#include <QGLWidget>
+#include <QGLFormat>
+#else
+#include <QOpenGLWidget>
+#include <QSurfaceFormat>
+#endif
+
+#if QT_VERSION < QT_VERSION_CHECK(5, 4, 0) || defined(Q_OS_MAC)
+#define OPENGL_WIDGET QGLWidget
+#else
+#define OPENGL_WIDGET QOpenGLWidget
+#endif
+
+#if QT_VERSION < QT_VERSION_CHECK(5, 4, 0) || defined(Q_OS_MAC)
+#define OPENGL_SET_SAMPLES(samples) \
+	{QGLFormat fmt; \
+	fmt.setSamples(samples); \
+	QGLFormat::setDefaultFormat(fmt);}
+#else
+#define OPENGL_SET_SAMPLES(samples) \
+	{QSurfaceFormat fmt; \
+	fmt.setSamples(samples);\
+	QSurfaceFormat::setDefaultFormat(fmt);}
+#endif
diff --git a/src/optionsdialog.cpp b/src/optionsdialog.cpp
index eb305efc..2e29da5a 100644
--- a/src/optionsdialog.cpp
+++ b/src/optionsdialog.cpp
@@ -185,16 +185,12 @@ QWidget *OptionsDialog::createExportPage()
 QWidget *OptionsDialog::createSystemPage()
 {
 	_useOpenGL = new QCheckBox(tr("Use OpenGL"));
-#if defined(Q_OS_WIN32) || defined(Q_OS_MAC)
 #ifdef Q_OS_WIN32
 	if (QSysInfo::WindowsVersion < QSysInfo::WV_VISTA) {
-#endif // Q_OS_WIN32
 		_useOpenGL->setChecked(false);
 		_useOpenGL->setEnabled(false);
-#ifdef Q_OS_WIN32
 	} else
 #endif // Q_OS_WIN32
-#endif // Q_OS_WIN32 || Q_OS_MAC
 	_useOpenGL->setChecked(_options->useOpenGL);
 
 	QFormLayout *systemLayout = new QFormLayout();
diff --git a/src/pathview.cpp b/src/pathview.cpp
index b2a39940..4c7ab4c9 100644
--- a/src/pathview.cpp
+++ b/src/pathview.cpp
@@ -1,12 +1,8 @@
 #include <QGraphicsView>
 #include <QGraphicsScene>
 #include <QWheelEvent>
-#if QT_VERSION < QT_VERSION_CHECK(5, 4, 0)
-#include <QGLWidget>
-#else // QT 5.4
-#include <QOpenGLWidget>
-#endif // QT 5.4
 #include <QSysInfo>
+#include "opengl.h"
 #include "rd.h"
 #include "poi.h"
 #include "data.h"
@@ -716,11 +712,7 @@ void PathView::useOpenGL(bool use)
 #ifdef Q_OS_WIN32
 		if (QSysInfo::WindowsVersion >= QSysInfo::WV_VISTA)
 #endif // Q_OS_WIN32
-#if QT_VERSION < QT_VERSION_CHECK(5, 4, 0)
-		setViewport(new QGLWidget);
-#else // QT 5.4
-		setViewport(new QOpenGLWidget);
-#endif // QT 5.4
+	setViewport(new OPENGL_WIDGET);
 	} else
 		setViewport(new QWidget);
 }