diff --git a/src/calibre/ebooks/docx/to_html.py b/src/calibre/ebooks/docx/to_html.py
index 01808657ea..be0576d2b9 100644
--- a/src/calibre/ebooks/docx/to_html.py
+++ b/src/calibre/ebooks/docx/to_html.py
@@ -203,6 +203,7 @@ class Convert(object):
                 current.append(p)
 
         if current:
+            self.section_starts.append(current[0])
             last = XPath('./w:body/w:sectPr')(doc)
             pr = PageProperties(last)
             for x in current: