diff --git a/openlp/plugins/presentations/lib/impresscontroller.py b/openlp/plugins/presentations/lib/impresscontroller.py
index ff8d13729..a202926e5 100644
--- a/openlp/plugins/presentations/lib/impresscontroller.py
+++ b/openlp/plugins/presentations/lib/impresscontroller.py
@@ -34,6 +34,8 @@ if os.name == u'nt':
 else:
     import uno
 
+from PyQt4 import QtCore
+
 from presentationcontroller import PresentationController
 
 class ImpressController(PresentationController):