diff --git a/src/manifestly/core.py b/src/manifestly/core.py
index 2752e81..8fc25bf 100644
--- a/src/manifestly/core.py
+++ b/src/manifestly/core.py
@@ -176,7 +176,7 @@ def load(self):
             self.manifest = {}
         if self.root is None:
             # Resolve the root path from the manifest file
-            fs, path = fsspec.core.url_to_fs(self.manifest_file)
+            fs, path = fsspec.core.url_to_fs(self.manifest_file.path)
             self.root = fs._parent(path)
 
     @classmethod