1diff --git a/base/android/jni_generator/jni_registration_generator.py b/base/android/jni_generator/jni_registration_generator.py
2index dec56ee..8c545f6 100755
3--- a/base/android/jni_generator/jni_registration_generator.py
4+++ b/base/android/jni_generator/jni_registration_generator.py
5@@ -316,7 +316,7 @@ def main(argv):
6                           help='The output file path.')
7   arg_parser.add_argument('--no_register_java',
8                           help='A list of Java files which should be ignored '
9-                          'by the parser.')
10+                          'by the parser.', default=[])
11   args = arg_parser.parse_args(build_utils.ExpandFileArgs(argv[1:]))
12   args.sources_files = build_utils.ParseGnList(args.sources_files)
13
14