diff --git a/lib/docbookrx/docbook_visitor.rb b/lib/docbookrx/docbook_visitor.rb
index b6b55f3..631956e 100644
--- a/lib/docbookrx/docbook_visitor.rb
+++ b/lib/docbookrx/docbook_visitor.rb
@@ -394,6 +394,10 @@ def visit_info node
   alias :visit_bookinfo :visit_info
   alias :visit_articleinfo :visit_info
 
+  def visit_part node
+    visit_chapter node
+  end
+
   def visit_chapter node
     # treat document with <chapter> root element as books
     if node == node.document.root