diff --git a/openlp/core/ui/slidecontroller.py b/openlp/core/ui/slidecontroller.py
index fc6cc04fa..cd43cddb4 100644
--- a/openlp/core/ui/slidecontroller.py
+++ b/openlp/core/ui/slidecontroller.py
@@ -876,7 +876,7 @@ class SlideController(QtGui.QWidget):
         using *Blank to Theme*.
         """
         log.debug(u'updatePreview %s ' % self.screens.current[u'primary'])
-        if not self.screens.current[u'primary'] and \
+        if not self.screens.current[u'primary'] and self.serviceItem and \
             self.serviceItem.is_capable(ItemCapabilities.ProvidesOwnDisplay):
             # Grab now, but try again in a couple of seconds if slide change
             # is slow