diff --git a/openlp/core/lib/mediamanageritem.py b/openlp/core/lib/mediamanageritem.py
index a6d62f618..625a74842 100644
--- a/openlp/core/lib/mediamanageritem.py
+++ b/openlp/core/lib/mediamanageritem.py
@@ -432,7 +432,7 @@ class MediaManagerItem(QtGui.QWidget):
         raise NotImplementedError(u'MediaManagerItem.onDeleteClick needs to '
             u'be defined by the plugin')
 
-    def generateSlideData(self, service_item, item):
+    def generateSlideData(self, service_item, item=None):
         raise NotImplementedError(u'MediaManagerItem.generateSlideData needs '
             u'to be defined by the plugin')
 
diff --git a/openlp/core/ui/maindisplay.py b/openlp/core/ui/maindisplay.py
index c985434c1..e1ec90d7a 100644
--- a/openlp/core/ui/maindisplay.py
+++ b/openlp/core/ui/maindisplay.py
@@ -333,7 +333,7 @@ class MainDisplay(DisplayWidget):
         self.loaded = False
         self.initialFrame = False
         self.serviceItem = serviceItem
-        html = build_html(self.serviceItem, self.screen, self.parent.alertTab,\
+        html = build_html(self.serviceItem, self.screen, self.parent.alertTab,
             self.isLive)
         self.webView.setHtml(html)
         if serviceItem.foot_text and serviceItem.foot_text: