diff --git a/api/ovdashboard_api/core/webdav.py b/api/ovdashboard_api/core/webdav.py
index a907841..fdaed1d 100644
--- a/api/ovdashboard_api/core/webdav.py
+++ b/api/ovdashboard_api/core/webdav.py
@@ -35,7 +35,7 @@ class WebDAV:
         regex: re.Pattern[str] = re.compile(""),
     ) -> list[str]:
         """
-        Liste aller Dateien im Ordner `directory`, die zur RegEx `regex` passen
+        List files in directory `directory` matching RegEx `regex`
         """
 
         _logger.debug(f"list_files {directory!r}")
@@ -49,9 +49,9 @@ class WebDAV:
         maxsize=SETTINGS.webdav.cache_size,
         skip_args=1,
     )
-    async def file_exists(cls, path: str) -> bool:
+    async def exists(cls, path: str) -> bool:
         """
-        `True`, wenn an Pfad `path` eine Datei existiert
+        `True` iff there is a WebDAV resource at `path`
         """
 
         _logger.debug(f"file_exists {path!r}")
@@ -67,7 +67,7 @@ class WebDAV:
     )
     async def read_bytes(cls, path: str) -> bytes:
         """
-        Datei aus Pfad `path` als bytes laden
+        Load WebDAV file from `path` as bytes
         """
 
         _logger.debug(f"read_bytes {path!r}")
@@ -79,7 +79,7 @@ class WebDAV:
     @classmethod
     async def read_str(cls, path: str, encoding="utf-8") -> str:
         """
-        Datei aus Pfad `path` als string laden
+        Load WebDAV file from `path` as string
         """
 
         _logger.debug(f"read_str {path!r}")
@@ -88,7 +88,7 @@ class WebDAV:
     @classmethod
     async def write_bytes(cls, path: str, buffer: bytes) -> None:
         """
-        Bytes `buffer` in Datei in Pfad `path` schreiben
+        Write bytes from `buffer` into WebDAV file at `path`
         """
 
         _logger.debug(f"write_bytes {path!r}")
@@ -106,7 +106,7 @@ class WebDAV:
     @classmethod
     async def write_str(cls, path: str, content: str, encoding="utf-8") -> None:
         """
-        String `content` in Datei in Pfad `path` schreiben
+        Write string from `content` into WebDAV file at `path`
         """
 
         _logger.debug(f"write_str {path!r}")
diff --git a/api/ovdashboard_api/routers/v1/_common.py b/api/ovdashboard_api/routers/v1/_common.py
index f96cb28..8e277cf 100644
--- a/api/ovdashboard_api/routers/v1/_common.py
+++ b/api/ovdashboard_api/routers/v1/_common.py
@@ -62,9 +62,9 @@ class FileNameLister:
 
     async def __call__(self) -> Iterator[str]:
         try:
-            file_names = await WebDAV.list_files(await self.remote_path)
+            file_names = await WebDAV.list_files(await self.remote_path, regex=self.re)
 
-            return (name for name in file_names if self.re.search(name))
+            return iter(file_names)
 
         except RemoteResourceNotFound:
             _logger.error(