diff --git a/openhands/storage/s3.py b/openhands/storage/s3.py
index 3823db17c705..207751e98129 100644
--- a/openhands/storage/s3.py
+++ b/openhands/storage/s3.py
@@ -30,6 +30,8 @@ def read(self, path: str) -> str:
             raise FileNotFoundError(f'Failed to read from S3 at path {path}: {e}')
 
     def list(self, path: str) -> list[str]:
+        if path and path != "/" and not path.endswith("/"):
+            path += "/"
         try:
             return [
                 obj.object_name for obj in self.client.list_objects(self.bucket, path)