diff --git a/extra/modules/liberty.py b/extra/modules/liberty.py
index 8bf37be..c3a4764 100644
--- a/extra/modules/liberty.py
+++ b/extra/modules/liberty.py
@@ -10,6 +10,7 @@ import socket
 import xml.sax.saxutils
 import string
 import random
+import md5
 
 import lasso