diff --git a/src/html_preprocessor.py b/src/html_preprocessor.py
index 109b4e8..d8c19cb 100644
--- a/src/html_preprocessor.py
+++ b/src/html_preprocessor.py
@@ -392,7 +392,7 @@ class HTMLPreprocessor:
 
     def _check_parent_link_exist_in_toc(self, tag_with_link):
         toc_links = []
-        for a_tag in tag_with_link.find_all('a'):
+        for a_tag in tag_with_link.find_all("a", {'name': re.compile(r'^_Toc\d+')}):
             link_name = a_tag.attrs['name']
             toc_item = self.body_tag.find("a", {'href': '#' + link_name})
             if toc_item: