diff --git a/lerobot/common/datasets/push_dataset_to_hub/aloha_dora_format.py b/lerobot/common/datasets/push_dataset_to_hub/aloha_dora_format.py
index b6ae8b34..c2e1497e 100644
--- a/lerobot/common/datasets/push_dataset_to_hub/aloha_dora_format.py
+++ b/lerobot/common/datasets/push_dataset_to_hub/aloha_dora_format.py
@@ -42,7 +42,10 @@ def check_format(raw_dir) -> bool:
 
 def load_from_raw(raw_dir: Path, out_dir: Path):
     # Load data stream that will be used as reference for the timestamps synchronization
-    reference_key = "observation.images.cam_right_wrist"
+    reference_files = list(raw_dir.glob("observation.images.cam_*.parquet"))
+    if len(reference_files) == 0:
+        raise ValueError(f"Missing reference files for camera, starting with  in '{raw_dir}'")
+    reference_key = reference_files[0].stem
     reference_df = pd.read_parquet(raw_dir / f"{reference_key}.parquet")
     reference_df = reference_df[["timestamp_utc", reference_key]]