diff --git a/test/test_xacro.py b/test/test_xacro.py
index 0fb58a4..fbb14d6 100644
--- a/test/test_xacro.py
+++ b/test/test_xacro.py
@@ -36,6 +36,7 @@
 import itertools
 import math
 import os.path
+import pathlib
 import re
 import shutil
 import subprocess
@@ -1702,6 +1703,15 @@ def test_remove_property(self):
   ${p}</a>'''
         self.assert_matches(self.quick_xacro(src), '<a>2nd</a>')
 
+    def test_process_file_types(self):
+        # Test that checks process_file method with different path types
+        # os.path
+        path = os.path.join(os.path.dirname(__file__), 'emoji.xacro')
+        self.assert_matches(xacro.process(path), '<robot>🍔</robot>')
+
+        # pathlib.Path
+        path = pathlib.Path(os.path.join(os.path.dirname(__file__), 'emoji.xacro'))
+        self.assert_matches(xacro.process(path), '<robot>🍔</robot>')
 
 if __name__ == '__main__':
     unittest.main()
diff --git a/xacro/__init__.py b/xacro/__init__.py
index 09141df..ef224df 100644
--- a/xacro/__init__.py
+++ b/xacro/__init__.py
@@ -1115,7 +1115,7 @@ def process_file(input_file_name, **kwargs):
     banner = [xml.dom.minidom.Comment(c) for c in
               [" %s " % ('=' * 83),
                # replace consecutive dashes with a single one to yield a XML-compliant comment string
-               " |    This document was autogenerated by xacro from %-30s | " % re.sub(r'-+', '-', input_file_name),
+               " |    This document was autogenerated by xacro from %-30s | " % re.sub(r'-+', '-', str(input_file_name)),
                " |    EDITING THIS FILE BY HAND IS NOT RECOMMENDED  %-30s | " % "",
                " %s " % ('=' * 83)]]
     first = doc.firstChild