diff --git a/openlp/plugins/presentations/lib/mediaitem.py b/openlp/plugins/presentations/lib/mediaitem.py
index 74ff3fea8..6428ae535 100644
--- a/openlp/plugins/presentations/lib/mediaitem.py
+++ b/openlp/plugins/presentations/lib/mediaitem.py
@@ -285,7 +285,7 @@ class PresentationMediaItem(MediaManagerItem):
         "supports" the extension. If none found, then look for a controller
         which "also supports" it instead.
         """
-        filetype = filename.split(u'.')[1]
+        filetype = filename.split(u'.')[-1]
         if not filetype:
             return None
         for controller in self.controllers:
@@ -296,4 +296,4 @@ class PresentationMediaItem(MediaManagerItem):
             if self.controllers[controller].enabled():
                 if filetype in self.controllers[controller].alsosupports:
                     return controller
-        return None
\ No newline at end of file
+        return None