diff --git a/map2map/main.py b/map2map/main.py
index 7b65930..a31643c 100644
--- a/map2map/main.py
+++ b/map2map/main.py
@@ -14,9 +14,9 @@ from functools import partial
 
 def _load_resource_file(resource_path):
     # Import the package
-    pkg_files = importlib.resources.files()
-    with pkg_files.open(resource_path) as file:
-            return file.read_text()  # Read the file and return its content
+    pkg_files = importlib.resources.files() / resource_path
+    with pkg_files.open() as file:
+            return file.read()  # Read the file and return its content
 
 def _str_list(value):
     return value.split(',')
@@ -86,8 +86,7 @@ def _apply_options(options_file, f):
 
     return f
 
-def m2m_options(f):
-    return _apply_options("common_args.yaml", f)
+m2m_options=partial(_apply_options,"common_args.yaml")
 
 
 @click.group()