diff --git a/mu_map/training/cgan.py b/mu_map/training/cgan.py
index aa93a3143405771c52b696484286cb78aa271d41..c9a6b9b5e190d36d8d320f89a1683eee2bbc76bf 100644
--- a/mu_map/training/cgan.py
+++ b/mu_map/training/cgan.py
@@ -304,7 +304,7 @@ if __name__ == "__main__":
     parser.add_argument(
         "--batch_size",
         type=int,
-        default=8,
+        default=64,
         help="the batch size used for training",
     )
     parser.add_argument(