diff --git a/src/fosslight_prechecker/_add.py b/src/fosslight_prechecker/_add.py
index c35fc89..79da87a 100644
--- a/src/fosslight_prechecker/_add.py
+++ b/src/fosslight_prechecker/_add.py
@@ -303,7 +303,7 @@ def find_representative_license(path_to_find, input_license):
     logger.info(f"\n - Representative license : {input_license}")
 
     parsed_args = main_parser.parse_args(['download', f"{input_license}"])
-
+    input_license = input_license.replace(os.path.sep, '')
     try:
         # 0: successfully downloaded, 1: failed to download
         reuse_return_code = reuse_download(parsed_args, prj)
diff --git a/src/fosslight_prechecker/_add_header.py b/src/fosslight_prechecker/_add_header.py
index fdd6ca2..5ddc8c4 100644
--- a/src/fosslight_prechecker/_add_header.py
+++ b/src/fosslight_prechecker/_add_header.py
@@ -17,15 +17,13 @@
 import argparse
 import sys
 import re
-import os
 import fosslight_util.constant as constant
 from os import PathLike
 from gettext import gettext as _
 from pathlib import Path
 from typing import NamedTuple, Optional, Set
 
-from jinja2 import Environment, FileSystemLoader, PackageLoader, Template
-from jinja2.exceptions import TemplateNotFound
+from jinja2 import Environment, FileSystemLoader, PackageLoader, Template, select_autoescape
 from boolean.boolean import ParseError, Expression
 from license_expression import ExpressionError
 
@@ -105,7 +103,7 @@ def get_loader():
     return loader
 
 
-_ENV = Environment(loader=get_loader(), trim_blocks=True)
+_ENV = Environment(loader=get_loader(), autoescape=select_autoescape([]), trim_blocks=True)
 DEFAULT_TEMPLATE = _ENV.get_template("default_template.jinja2")