diff --git a/openlp/plugins/images/lib/mediaitem.py b/openlp/plugins/images/lib/mediaitem.py
index 05d55ddb6..145e07f04 100644
--- a/openlp/plugins/images/lib/mediaitem.py
+++ b/openlp/plugins/images/lib/mediaitem.py
@@ -172,6 +172,6 @@ class ImageMediaItem(MediaManagerItem):
                 filename = unicode((bitem.data(QtCore.Qt.UserRole)).toString())
                 self.OverrideLabel.setText(bitem.text())
                 frame = QtGui.QImage(unicode(filename))
-                self.parent.mainDisplay.addImageWithText(frame)
+                self.parent.maindisplay.addImageWithText(frame)
         else:
             MediaManagerItem.onPreviewClick(self)
diff --git a/openlp/plugins/media/lib/mediaitem.py b/openlp/plugins/media/lib/mediaitem.py
index e8a4da198..46b059c01 100644
--- a/openlp/plugins/media/lib/mediaitem.py
+++ b/openlp/plugins/media/lib/mediaitem.py
@@ -54,7 +54,7 @@ class MediaMediaItem(MediaManagerItem):
         self.PreviewFunction = self.video_get_preview
         MediaManagerItem.__init__(self, parent, icon, title)
         self.ServiceItemIconName = u':/media/media_video.png'
-        self.MainDisplay = self.parent.mainDisplay
+        self.MainDisplay = self.parent.maindisplay
 
     def initPluginNameVisible(self):
         self.PluginNameVisible = self.trUtf8('Media')