diff --git a/blark/solution.py b/blark/solution.py
index 450f248..2883206 100644
--- a/blark/solution.py
+++ b/blark/solution.py
@@ -179,7 +179,11 @@ def filename_from_xml(xml: Optional[lxml.etree.Element]) -> Optional[pathlib.Pat
 
     if root.docinfo.URL is None:
         return None
-    return pathlib.Path(root.docinfo.URL)
+    url = str(root.docinfo.URL)
+    if url.startswith("file:/"):
+        # Note: this only seems to be necessary on Windows and I'm not entirely sure why
+        url = url[len("file:/"):]
+    return pathlib.Path(url)
 
 
 def get_child_text(
diff --git a/blark/util.py b/blark/util.py
index 674e2fc..2ee4502 100644
--- a/blark/util.py
+++ b/blark/util.py
@@ -4,6 +4,7 @@
 import dataclasses
 import enum
 import hashlib
+import os
 import pathlib
 import re
 from typing import Any, Dict, Generator, List, Optional, Set, Tuple, TypeVar
@@ -522,7 +523,7 @@ def fix_case_insensitive_path(path: AnyPath) -> pathlib.Path:
                 part = all_files[part.lower()]
             except KeyError:
                 raise FileNotFoundError(
-                    f"Path does not exist:\n" f"{path}\n{new_path}/{part} missing"
+                    f"Path does not exist: {path}\n{new_path}{os.pathsep}{part} missing"
                 ) from None
         new_path = new_path / part
     return new_path.resolve()