diff --git a/mdx_grid_tables.py b/mdx_grid_tables.py
index 011bd10..9063dbe 100644
--- a/mdx_grid_tables.py
+++ b/mdx_grid_tables.py
@@ -62,8 +62,8 @@ def extendMarkdown(self, md, md_globals):
                                       GridTableProcessor(md.parser),
                                       '<hashheader')
 
-def makeExtension(configs={}):
-    return GridTableExtension(configs=configs)
+def makeExtension(*args, **kwargs):
+    return GridTableExtension(*args, **kwargs)
 
 class GridTableCell(object):
     """