diff --git a/catalog/catalog.py b/catalog/catalog.py
index 7098237..b13320b 100644
--- a/catalog/catalog.py
+++ b/catalog/catalog.py
@@ -2,7 +2,8 @@
 
 import argparse
 import datetime
-import xml.etree.cElementTree as ET
+#import xml.etree.cElementTree as ET
+import lxml.etree as ET
 import os
 import re
 import sgprops
diff --git a/catalog/sgprops.py b/catalog/sgprops.py
index 67815c5..5819058 100644
--- a/catalog/sgprops.py
+++ b/catalog/sgprops.py
@@ -2,7 +2,8 @@
 from xml.sax import make_parser, handler, expatreader
 
 # ElementTree for writing
-import xml.etree.cElementTree as ET
+#import xml.etree.cElementTree as ET
+import lxml.etree as ET
 
 import re, os