diff --git a/_paramters.py b/_paramters.py
index 9d54918..dbf0144 100644
--- a/_paramters.py
+++ b/_paramters.py
@@ -33,7 +33,7 @@ main_arg_parser.add_argument("--data_mixup", type=strtobool, default=False, help
 main_arg_parser.add_argument("--data_loudness_ratio", type=float, default=0, help="")  # 0.4
 main_arg_parser.add_argument("--data_shift_ratio", type=float, default=0, help="")  # 0.3
 main_arg_parser.add_argument("--data_noise_ratio", type=float, default=0, help="")  # 0.4
-main_arg_parser.add_argument("--data_mask_ratio", type=float, default=0.2, help="")  # 0.2
+main_arg_parser.add_argument("--data_mask_ratio", type=float, default=0, help="")  # 0.2
 main_arg_parser.add_argument("--data_speed_ratio", type=float, default=0.3, help="")  # 0.3
 main_arg_parser.add_argument("--data_speed_factor", type=float, default=0.7, help="")  # 0.7