diff --git a/pins/rsconnect/fs.py b/pins/rsconnect/fs.py
index f16a34d9..2f519c95 100644
--- a/pins/rsconnect/fs.py
+++ b/pins/rsconnect/fs.py
@@ -3,7 +3,6 @@
 from collections.abc import Sequence
 from dataclasses import asdict, dataclass, field, fields
 from pathlib import Path
-from typing import ClassVar
 
 from fsspec import AbstractFileSystem
 
@@ -108,7 +107,7 @@ class BundleFilePath(BundlePath):
 
 
 class RsConnectFs(AbstractFileSystem):
-    protocol: ClassVar[str | tuple[str, ...]] = "rsc"
+    protocol = "rsc"
 
     def __init__(self, server_url, **kwargs):
         if isinstance(server_url, RsConnectApi):
diff --git a/pins/tests/test_versions.py b/pins/tests/test_versions.py
index 6432108b..a731c7c3 100644
--- a/pins/tests/test_versions.py
+++ b/pins/tests/test_versions.py
@@ -51,3 +51,12 @@ def test_version_from_files(bytes_):
 
     assert v.hash == digest
     assert v.created == EXAMPLE_DATE
+
+
+def test_version_from_files_multiple():
+    files = [BytesIO(b"123"), BytesIO(b"456")]
+    v = Version.from_files(files, EXAMPLE_DATE)
+
+    combined = xxhash.xxh64(b"123").hexdigest() + xxhash.xxh64(b"456").hexdigest()
+    assert v.hash == xxhash.xxh64(combined.encode("utf-8")).hexdigest()
+    assert v.created == EXAMPLE_DATE
diff --git a/pins/versions.py b/pins/versions.py
index c05babcf..d618e8b8 100644
--- a/pins/versions.py
+++ b/pins/versions.py
@@ -109,7 +109,7 @@ def from_files(
             combined_hashes = "".join(hashes)
 
             # Create an xxh64 hash of the combined string
-            hashes = [xxh64(combined_hashes).hexdigest()]
+            hashes = [xxh64(combined_hashes.encode("utf-8")).hexdigest()]
 
         return cls(created, hashes[0])