diff --git a/PFERD/ilias/crawler.py b/PFERD/ilias/crawler.py
index f5b1ae8..7391ae1 100644
--- a/PFERD/ilias/crawler.py
+++ b/PFERD/ilias/crawler.py
@@ -27,7 +27,7 @@ PRETTY = PrettyLogger(LOGGER)
 
 
 def _sanitize_path_name(name: str) -> str:
-    return name.replace("/", "-")
+    return name.replace("/", "-").replace("\", "-")
 
 
 class IliasElementType(Enum):
diff --git a/PFERD/transform.py b/PFERD/transform.py
index 7a05dd1..d87b5ec 100644
--- a/PFERD/transform.py
+++ b/PFERD/transform.py
@@ -137,6 +137,6 @@ def sanitize_windows_path(path: PurePath) -> Optional[PurePath]:
     """
     # Escape windows illegal path characters
     if os.name == 'nt':
-        sanitized_parts = [re.sub(r'[<>:"/|?]', "_", x) for x in list(path.parts)]
+        sanitized_parts = [re.sub(r'[<>:"|?]', "_", x) for x in list(path.parts)]
         return PurePath(*sanitized_parts)
     return path