diff --git a/src/calibre/ebooks/oeb/polish/parsing.py b/src/calibre/ebooks/oeb/polish/parsing.py
index 777e5ac8cf..dee017145a 100644
--- a/src/calibre/ebooks/oeb/polish/parsing.py
+++ b/src/calibre/ebooks/oeb/polish/parsing.py
@@ -83,7 +83,10 @@ class Element(ElementBase):
     removeChild = ElementBase.remove
 
     def cloneNode(self):
-        return self.makeelement(self.tag, nsmap=self.nsmap, attrib=self.attrib)
+        ans = self.makeelement(self.tag, nsmap=self.nsmap, attrib=self.attrib)
+        for x in ('name', 'namespace', 'nameTuple'):
+            setattr(ans, x, getattr(self, x))
+        return ans
 
     def insertBefore(self, node, ref_node):
         self.insert(self.index(ref_node), node)
@@ -126,7 +129,6 @@ class Element(ElementBase):
         for child in self:
             new_parent.append(child)
 
-
 class Comment(CommentBase):
 
     @dynamic_property