diff --git a/buildout/software-profiles/erp5.cfg b/buildout/software-profiles/erp5.cfg
index 93c6ed3ae0e5d0dfd3056f95459f8c002ccccabf..a5cf242d3334f25e7897086ecb91c9bcadfc1640 100644
--- a/buildout/software-profiles/erp5.cfg
+++ b/buildout/software-profiles/erp5.cfg
@@ -2,6 +2,7 @@
 extends =
   mysql-tritonn-5.0.cfg
   python-2.4.cfg
+  lxml-python.cfg
   pyxml-python.cfg
   mysql-python.cfg
   subversion.cfg