diff --git a/machines/compute01/nextcloud.nix b/machines/compute01/nextcloud.nix
index fe40076..671f35c 100644
--- a/machines/compute01/nextcloud.nix
+++ b/machines/compute01/nextcloud.nix
@@ -1,6 +1,8 @@
 { config, pkgs, ... }:
 
-let host = "cloud.dgnum.eu";
+let
+  host = "cloud.dgnum.eu";
+  nextcloud-occ = "${config.services.nextcloud.occ}/bin/nextcloud-occ";
 in {
   services.nextcloud = {
     enable = true;
@@ -74,12 +76,11 @@ in {
       updatechecker = false;
 
       allow_local_remote_servers = true;
-    };
-  };
 
-  systemd.services.nextcloud-preview = {
-    script = "${config.services.nextcloud.occ} preview:pre-generate -vvv";
-    startAt = "*-*-* 01:00:00 UTC";
+      "memories.exiftool" = "${pkgs.lib.getExe pkgs.exiftool}";
+      "memories.vod.ffmpeg" = "${pkgs.lib.getExe pkgs.ffmpeg-headless}";
+      "memories.vod.ffprobe" = "${pkgs.ffmpeg-headless}/bin/ffprobe";
+    };
   };
 
   services.nginx.virtualHosts.${host} = {
@@ -91,10 +92,17 @@ in {
     '';
   };
 
-  environment.systemPackages = with pkgs; [
-    ffmpeg_6-headless
-    exiftool
-  ];
+  systemd.services = {
+    nextcloud-preview = {
+      description = "Generate preview for nextcloud media.";
+      script = "${nextcloud-occ} preview:pre-generate -vvv";
+      startAt = "*-*-* 01:00:00 UTC";
+    };
+
+    nextcloud-cron.path = [ pkgs.perl ];
+  };
+
+  environment.systemPackages = [ pkgs.ffmpeg_6-headless ];
 
   dgn-secrets.matches."^nextcloud-.*$" = { owner = "nextcloud"; };
 }