diff --git a/wagtail_localize/machine_translators/dummy.py b/wagtail_localize/machine_translators/dummy.py
index 6fd5a0c4..177d9e31 100644
--- a/wagtail_localize/machine_translators/dummy.py
+++ b/wagtail_localize/machine_translators/dummy.py
@@ -28,13 +28,17 @@ def walk(soup):
             if isinstance(child, NavigableString):
                 # Translate navigable strings
                 child.string.replace_with(translate_string(child.string))
-
             else:
                 walk(child)
 
     # Reverse the children
     if isinstance(soup, Tag):
-        soup.contents.reverse()
+        # reverse the children
+        reversed_contents = soup.contents[::-1]
+
+        soup = BeautifulSoup("", "html.parser")
+        for content in reversed_contents:
+            soup.append(content)
 
     walk(soup)