diff --git a/torchdata/datapipes/iter/load/fsspec.py b/torchdata/datapipes/iter/load/fsspec.py
index f7b49867b..9f961b1c1 100644
--- a/torchdata/datapipes/iter/load/fsspec.py
+++ b/torchdata/datapipes/iter/load/fsspec.py
@@ -87,7 +87,7 @@ def __iter__(self) -> Iterator[str]:
             if fs.isfile(path):
                 yield root
             else:
-                for file_name in fs.ls(path):
+                for file_name in fs.ls(path, detail=False):  # Ensure it returns List[str], not List[Dict]
                     if not match_masks(file_name, self.masks):
                         continue