diff --git a/openlp/core/ui/maindisplay.py b/openlp/core/ui/maindisplay.py
index bfe223373..f6150f4a2 100644
--- a/openlp/core/ui/maindisplay.py
+++ b/openlp/core/ui/maindisplay.py
@@ -76,8 +76,7 @@ class Display(QtGui.QGraphicsView):
         # time. We need to investigate more how to use OpenGL properly on Mac OS
         # X.
         if sys.platform != 'darwin':
-            pass
-            #self.setViewport(QtOpenGL.QGLWidget())
+            self.setViewport(QtOpenGL.QGLWidget())
 
     def setup(self):
         """