diff --git a/scripts/train_pytorch.py b/scripts/train_pytorch.py
index c7ddd2b595..483333c734 100644
--- a/scripts/train_pytorch.py
+++ b/scripts/train_pytorch.py
@@ -447,6 +447,8 @@ def train_loop(config: _config.TrainConfig):
             (model.module if isinstance(model, torch.nn.parallel.DistributedDataParallel) else model), model_path
         )
         logging.info(f"Loaded PyTorch weights from {config.pytorch_weight_path}")
+    else:
+        logging.warning("No weights loaded, training from scratch.")
 
     # Optimizer + learning rate schedule from config
     warmup_steps = config.lr_schedule.warmup_steps
diff --git a/src/openpi/training/weight_loaders.py b/src/openpi/training/weight_loaders.py
index 0eee1c61d4..03db4ea28b 100644
--- a/src/openpi/training/weight_loaders.py
+++ b/src/openpi/training/weight_loaders.py
@@ -31,6 +31,7 @@ def load(self, params: at.Params) -> at.Params:
 @dataclasses.dataclass(frozen=True)
 class NoOpWeightLoader(WeightLoader):
     def load(self, params: at.Params) -> at.Params:
+        logger.warning("No weights loaded, training from scratch.")
         return params