diff --git a/src/calibre/ebooks/docx/styles.py b/src/calibre/ebooks/docx/styles.py
index 17c891423f..80be3ceb0b 100644
--- a/src/calibre/ebooks/docx/styles.py
+++ b/src/calibre/ebooks/docx/styles.py
@@ -262,6 +262,9 @@ class Styles(object):
                 if num_id is not None:
                     p.set('calibre_num_id', '%s:%s' % (lvl, num_id))
                 is_numbering = True
+                ps = self.numbering.get_para_style(num_id, lvl)
+                if ps is not None:
+                    parent_styles.append(ps)
 
             for attr in ans.all_properties:
                 if not (is_numbering and attr == 'text_indent'):  # skip text-indent for lists