diff --git a/egs/vctk/TTS/vits/tts_datamodule.py b/egs/vctk/TTS/vits/tts_datamodule.py
index 37534f510..8b2a96b09 100644
--- a/egs/vctk/TTS/vits/tts_datamodule.py
+++ b/egs/vctk/TTS/vits/tts_datamodule.py
@@ -148,7 +148,7 @@ class VctkTtsDataModule:
         group.add_argument(
             "--num-workers",
             type=int,
-            default=2,
+            default=8,
             help="The number of training dataloader workers that "
             "collect the batches.",
         )