diff --git a/scripts/evaluation/world_model_interaction.py b/scripts/evaluation/world_model_interaction.py
index 302be6e..d542e0f 100644
--- a/scripts/evaluation/world_model_interaction.py
+++ b/scripts/evaluation/world_model_interaction.py
@@ -922,7 +922,7 @@ def get_parser():
     parser.add_argument(
         "--fast_policy_no_decode",
         action='store_true',
-        default=False,
+        default=True,
         help="Speed mode: policy pass only predicts actions, skip policy video decode/log/save.")
     parser.add_argument("--save_fps",
                         type=int,