diff --git a/src/lerobot/scripts/lerobot_mirror_dataset.py b/src/lerobot/scripts/lerobot_mirror_dataset.py
index 7d8eff6e0..787125cb7 100644
--- a/src/lerobot/scripts/lerobot_mirror_dataset.py
+++ b/src/lerobot/scripts/lerobot_mirror_dataset.py
@@ -72,11 +72,11 @@ def get_mirroring_mask(robot_type: str) -> dict[str, int]:
 
 def swap_left_right_name(name: str) -> str:
     """Swap 'left' and 'right' in a feature name."""
-    if name.startswith("left_"):
-        return "right_" + name[5:]
-    elif name.startswith("right_"):
-        return "left_" + name[6:]
-    return name
+    # Use placeholder to avoid double-swap
+    result = name.replace("left_", "LEFT_PLACEHOLDER_")
+    result = result.replace("right_", "left_")
+    result = result.replace("LEFT_PLACEHOLDER_", "right_")
+    return result
 
 
 def mirror_feature_names(names: list[str]) -> tuple[list[str], dict[int, int]]:
@@ -154,7 +154,6 @@ def mirror_dataset(
     mirroring_mask: dict[str, int] | None = None,
     vcodec: str = "libsvtav1",
     num_workers: int | None = None,
-    push_to_hub: bool = False,
 ) -> LeRobotDataset:
     """Mirror a bimanual robot dataset."""
     logger.info(f"Loading dataset: {repo_id}")
@@ -194,13 +193,7 @@ def mirror_dataset(
     _copy_episodes_metadata(dataset, new_meta)
 
     logger.info(f"Mirrored dataset saved to: {output_root}")
-    mirrored_dataset = LeRobotDataset(output_repo_id, root=output_root)
-
-    if push_to_hub:
-        logger.info(f"Pushing mirrored dataset to hub: {output_repo_id}")
-        mirrored_dataset.push_to_hub()
-
-    return mirrored_dataset
+    return LeRobotDataset(output_repo_id, root=output_root)
 
 
 def _mirror_data(
@@ -320,6 +313,8 @@ def _copy_episodes_metadata(
         "total_episodes": src_dataset.meta.total_episodes,
         "total_frames": src_dataset.meta.total_frames,
         "total_tasks": src_dataset.meta.total_tasks,
+        "total_videos": src_dataset.meta.total_videos,
+        "total_chunks": src_dataset.meta.total_chunks,
     })
     write_info(dst_meta.info, dst_meta.root)
 
@@ -349,7 +344,6 @@ def main():
     parser.add_argument("--output_root", type=str, default=None, help="Output dataset root directory")
     parser.add_argument("--vcodec", type=str, default="libsvtav1", help="Video codec (libsvtav1, h264, hevc)")
     parser.add_argument("--num_workers", type=int, default=None, help="Number of parallel workers for video processing")
-    parser.add_argument("--push_to_hub", action="store_true", help="Push mirrored dataset to HuggingFace Hub")
     args = parser.parse_args()
 
     mirror_dataset(
@@ -359,7 +353,6 @@ def main():
         output_root=args.output_root,
         vcodec=args.vcodec,
         num_workers=args.num_workers,
-        push_to_hub=args.push_to_hub,
     )