diff --git a/hosts/faunus-ater.nix b/hosts/faunus-ater.nix
index c6d6627..e98deb0 100644
--- a/hosts/faunus-ater.nix
+++ b/hosts/faunus-ater.nix
@@ -250,9 +250,11 @@ in {
       passwordFile = sopsPath "paperless-admin-password";
       dataDir = "/data/dirty/paperless";
       extraConfig = {
-        PAPERLESS_OCR_LANGUAGE = "deu";
+        PAPERLESS_CONSUMER_DELETE_DUPLICATES = true;
         PAPERLESS_CONSUMER_RECURSIVE = true;
         PAPERLESS_CONSUMER_SUBDIRS_AS_TAGS = true;
+        PAPERLESS_FILENAME_FORMAT = "{created_year}/{correspondent}/{created_year}-{created_month}-{created_day}-{document_type}-{title}-{tag_list}";
+        PAPERLESS_OCR_LANGUAGE = "deu";
         PAPERLESS_URL = "https://doc.home";
       };
     };