diff --git a/preprocess.py b/preprocess.py
index aaedbf0..e7b8c83 100644
--- a/preprocess.py
+++ b/preprocess.py
@@ -6,8 +6,8 @@
   parser = argparse.ArgumentParser()
   parser.add_argument("--out_extension", default="cleaned")
   parser.add_argument("--text_index", default=1, type=int)
-  parser.add_argument("--filelists", nargs="+", default=["filelists/ljs_audio_text_val_filelist.txt", "filelists/ljs_audio_text_test_filelist.txt"])
-  parser.add_argument("--text_cleaners", nargs="+", default=["english_cleaners2"])
+  parser.add_argument("--filelists", nargs="+", type=str, required=True)
+  parser.add_argument("--text_cleaners", nargs="+", default=["japanese_cleaners"])
 
   args = parser.parse_args()