diff --git a/doc/hgmanpage.py b/doc/hgmanpage.py
index d36a384bec8743f7c27d85f6a3baa759aba57425_ZG9jL2hnbWFucGFnZS5weQ==..462dd183bd73beb9bb17ec73e8fbebb143167f4e_ZG9jL2hnbWFucGFnZS5weQ== 100644
--- a/doc/hgmanpage.py
+++ b/doc/hgmanpage.py
@@ -47,7 +47,10 @@
 import re
 
 from docutils import nodes, writers, languages
-import roman
+try:
+    import roman
+except ImportError:
+    from docutils.utils import roman
 import inspect
 
 FIELD_LIST_INDENT = 7