diff --git a/cms/djangoapps/contentstore/views/xblock.py b/cms/djangoapps/contentstore/views/xblock.py
index 56a4289d56..948a039855 100644
--- a/cms/djangoapps/contentstore/views/xblock.py
+++ b/cms/djangoapps/contentstore/views/xblock.py
@@ -20,7 +20,7 @@ def xblock_resource(request, block_type, uri):  # pylint: disable=unused-argumen
     Return a package resource for the specified XBlock.
     """
     try:
-        xblock_class = XBlock.load_class(block_type, settings.XBLOCK_SELECT_FUNCTION)
+        xblock_class = XBlock.load_class(block_type, select=settings.XBLOCK_SELECT_FUNCTION)
         content = xblock_class.open_local_resource(uri)
     except IOError:
         log.info('Failed to load xblock resource', exc_info=True)