diff --git a/Doc/tools/sgmlconv/esis2sgml.py b/Doc/tools/sgmlconv/esis2sgml.py
index adb887312a0..a8abacde4a3 100755
--- a/Doc/tools/sgmlconv/esis2sgml.py
+++ b/Doc/tools/sgmlconv/esis2sgml.py
@@ -17,7 +17,7 @@ import os
 import re
 import string
 
-from xml.utils import escape
+from xml.sax.saxutils import escape
 
 
 AUTOCLOSE = ()