diff --git a/hosts/thrall/default.nix b/hosts/thrall/default.nix
index 08cbfef..3da635c 100644
--- a/hosts/thrall/default.nix
+++ b/hosts/thrall/default.nix
@@ -324,6 +324,7 @@ in
     consumptionDirIsPublic = true;
     settings = {
       PAPERLESS_OCR_LANGUAGE = "deu+eng";
+      PAPERLESS_OCR_USER_ARGS = ''{"invalidate_digital_signatures": true}'';
       PAPERLESS_URL = "https://docs.failco.de";
       PAPERLESS_CONSUMER_RECURSIVE = true;
       PAPERLESS_CONSUMER_SUBDIRS_AS_TAGS = true;