diff --git a/machines/orbi/service-photoprism.nix b/machines/orbi/service-photoprism.nix
index f5aa5d8..b08b126 100644
--- a/machines/orbi/service-photoprism.nix
+++ b/machines/orbi/service-photoprism.nix
@@ -42,6 +42,7 @@ in
           PHOTOPRISM_SITE_URL = "http://photoprism.orbi.private:${toString  photoprismPort}";
           PHOTOPRISM_SITE_TITLE = "PhotoPrism";
           PHOTOPRISM_UPLOAD_NSFW = "true";
+          PHOTOPRISM_THUMB_UNCACHED = "false"; # https://docs.photoprism.app/user-guide/settings/advanced/#static-and-dynamic-size-limits < prevents thumbs from  beeing wrong orientation, but takes time for photo import.
         };
       };