diff --git a/otc_doc_convertor/convertor.py b/otc_doc_convertor/convertor.py
index 0bcf8ba61..d203a5152 100644
--- a/otc_doc_convertor/convertor.py
+++ b/otc_doc_convertor/convertor.py
@@ -25,6 +25,7 @@ class OTCDocConvertor:
         new_name = new_name.replace(" ", "_")
         new_name = new_name.replace("/", "_")
         new_name = new_name.replace("=", "_")
+        new_name = new_name.replace("+", "")
         new_name = new_name.replace("'", "")
         new_name = new_name.replace('"', "")
         new_name = new_name.replace("`", "")