diff --git a/openlp/core/ui/maindisplay.py b/openlp/core/ui/maindisplay.py
index 506820b37..58d69253f 100644
--- a/openlp/core/ui/maindisplay.py
+++ b/openlp/core/ui/maindisplay.py
@@ -65,7 +65,7 @@ class Display(QtGui.QGraphicsView):
         Constructor
         """
         if live:
-            super(Display, sef).__init__()
+            super(Display, self).__init__()
             # Overwrite the parent() method.
             self.parent = lambda: parent
         else: