diff --git a/maintain/cp_lang.py b/maintain/cp_lang.py
new file mode 100644
index 0000000..90277e1
--- /dev/null
+++ b/maintain/cp_lang.py
@@ -0,0 +1,19 @@
+import sys, argparse
+
+parser = argparse.ArgumentParser(description="""Copies fusionpbx webapp languages. Run with 'find <fusionpbx_dir> -name app_config.php -exec python ./cp_lang.py {} en-gb en-us \;'""")
+parser.add_argument("php", help="app_config.php, app_languages.php or app_menu.php file path", type=str)
+parser.add_argument("new", help="new language code", type=str)
+parser.add_argument("cur", help="current language code to copy", type=str)
+args = parser.parse_args()
+
+with open(args.php, "r+") as f:
+	contents = f.readlines()
+	for index, line in enumerate(contents):
+		find = "['{}']".format(args.cur)
+		repl = "['{}']".format(args.new)
+		if find in line and "['fields']" not in line:
+			newline = line.replace(find, repl)
+			if newline not in contents:
+				contents.insert(index+1, newline)
+	f.seek(0)
+	f.writelines(contents)