diff --git a/modoboa/extensions/webmail/lib.py b/modoboa/extensions/webmail/lib.py
index 0b099f8ef..5770086d0 100644
--- a/modoboa/extensions/webmail/lib.py
+++ b/modoboa/extensions/webmail/lib.py
@@ -3,7 +3,7 @@ import os
 import re
 from datetime import datetime, timedelta
 import email
-import lxml
+import lxml.html
 import chardet
 from rfc6266 import build_header, parse_headers
 from django.core.files.uploadhandler import FileUploadHandler, SkipFile