diff --git a/src/etc/htmldocck.py b/src/etc/htmldocck.py
index 7789b24b62c83..2e7958325cd61 100644
--- a/src/etc/htmldocck.py
+++ b/src/etc/htmldocck.py
@@ -114,7 +114,10 @@
     from html.parser import HTMLParser
 except ImportError:
     from HTMLParser import HTMLParser
-from xml.etree import cElementTree as ET
+try:
+    from xml.etree import cElementTree as ET
+except ImportError:
+    from xml.etree import ElementTree as ET
 
 try:
     from html.entities import name2codepoint