diff --git a/src/epub_converter/epub_converter.py b/src/epub_converter/epub_converter.py
index 6e83e74..668e340 100644
--- a/src/epub_converter/epub_converter.py
+++ b/src/epub_converter/epub_converter.py
@@ -280,7 +280,7 @@ class EpubConverter:
             for i in self.html_href2subchapters_ids[html_href]:
                 tag = soup.find(id=i)
                 # in order not to lose tags in verification of same level of chapter
-                parent_tag = tag.find_parents(['p', 'span', 'div', 'h1', 'h2', 'h3', 'h4', 'h5'])[-1]
+                parent_tag = tag.find_parents(['p', 'span', 'h1', 'h2', 'h3', 'h4', 'h5'])[-1]
                 tmp_tag = soup.new_tag("lc_tmp")
                 tmp_tag.attrs["class"] = "converter-chapter-mark"
                 tmp_tag.attrs["id"] = i