diff --git a/otc_doc_convertor/convertor.py b/otc_doc_convertor/convertor.py
index f4526cde..b7b0ef8d 100644
--- a/otc_doc_convertor/convertor.py
+++ b/otc_doc_convertor/convertor.py
@@ -76,6 +76,7 @@ class OTCDocConvertor:
     def streamline_html(self, soup, file_name):
         # Drop eventual header duplicated anchors
         fname = file_name.replace(".html", "").lower()
+        page_anchors = set()
         met_page_anchors = dict()
         for lnk in soup.body.find_all("a"):
             name = None
@@ -138,6 +139,7 @@ class OTCDocConvertor:
                     sec_id = i.get("id").lower()
                     if self.is_element_referred(sec_id, file_name):
                         logging.debug('Add section label')
+                        page_anchors.add(sec_id)
                         i.insert_before(self.make_label(soup, sec_id))
                 # and still convert to paragraph
                 i.name = 'p'
@@ -185,9 +187,15 @@ class OTCDocConvertor:
                 if self.is_element_referred(local_ref, file_name):
                     # We now know something in the document wants this anchor -
                     # replace it with label
-                    lnk.name = "p"
-                    lnk.string = f"..\\_{local_ref}:"
-                    del lnk["name"]
+                    if local_ref not in page_anchors:
+                        lnk.name = "p"
+                        lnk.string = f"..\\_{local_ref}:"
+                        del lnk["name"]
+                        page_anchors.add(local_ref)
+                    else:
+                        logging.debug(
+                            f"Not placing replaced anchor {local_ref} "
+                            f" since it already existed")
                 else:
                     logging.debug("Dropping unreferred link")