diff --git a/api/advent22_api/core/webdav.py b/api/advent22_api/core/webdav.py
index 78daf60..117b7b4 100644
--- a/api/advent22_api/core/webdav.py
+++ b/api/advent22_api/core/webdav.py
@@ -17,7 +17,7 @@ class WebDAV:
     )
 
     @classmethod
-    @AsyncTTL(time_to_live=SETTINGS.webdav.cache_ttl)
+    @AsyncTTL(time_to_live=SETTINGS.webdav.cache_ttl, skip_args=1)
     async def list_files(
         cls,
         directory: str = "",
@@ -33,7 +33,7 @@ class WebDAV:
         return [f"{directory}/{path}" for path in ls if regex.search(path)]
 
     @classmethod
-    @AsyncTTL(time_to_live=SETTINGS.webdav.cache_ttl)
+    @AsyncTTL(time_to_live=SETTINGS.webdav.cache_ttl, skip_args=1)
     async def file_exists(cls, path: str) -> bool:
         """
         `True`, wenn an Pfad `path` eine Datei existiert
@@ -42,7 +42,7 @@ class WebDAV:
         return cls._webdav_client.check(path)
 
     @classmethod
-    @AsyncTTL(time_to_live=SETTINGS.webdav.cache_ttl)
+    @AsyncTTL(time_to_live=SETTINGS.webdav.cache_ttl, skip_args=1)
     async def read_bytes(cls, path: str) -> bytes:
         """
         Datei aus Pfad `path` als bytes laden
@@ -55,7 +55,6 @@ class WebDAV:
         return buffer.read()
 
     @classmethod
-    @AsyncTTL(time_to_live=SETTINGS.webdav.cache_ttl)
     async def read_str(cls, path: str, encoding="utf-8") -> str:
         """
         Datei aus Pfad `path` als string laden