diff --git a/home-manager/hyprland/hyprland-settings.nix b/home-manager/hyprland/hyprland-settings.nix
index 2afabe7..6b99a68 100644
--- a/home-manager/hyprland/hyprland-settings.nix
+++ b/home-manager/hyprland/hyprland-settings.nix
@@ -53,7 +53,7 @@ in {
         # Some default env vars.
         env =
           [ "XCURSOR_SIZE,24" "NIXOS_OZONE_WL,1" "WLR_NO_HARDWARE_CURSORS,1" ]
-          // lib.optional osConfig.custom.hardware.nvidia.enable [
+          ++ lib.optionals osConfig.custom.hardware.nvidia.enable [
             "LIBVA_DRIVER_NAME,nvidia"
             "GBM_BACKEND,nvidia-drm"
             "__GLX_VENDOR_LIBRARY_NAME,nvidia"
diff --git a/modules/misc/cli-tools.nix b/modules/misc/cli-tools.nix
index 34ee971..77366c8 100644
--- a/modules/misc/cli-tools.nix
+++ b/modules/misc/cli-tools.nix
@@ -55,7 +55,7 @@ in
       libheif #convert heic to jpg with `heif-convert something.heic something.jpg` 
       imagemagick #convert images
       tree
-      #kop-newproject # creates a shell.nix and .envrc
+      kop-newproject # creates a shell.nix and .envrc
       nix-tree # show nix derivations
     ];
   };
diff --git a/modules/services/caldav.nix b/modules/services/caldav.nix
index 85e4429..5b5520e 100644
--- a/modules/services/caldav.nix
+++ b/modules/services/caldav.nix
@@ -27,5 +27,37 @@ in {
       medium = [ "/var/lib/radicale/"];
       large = [ "/var/lib/radicale/"];
     };
+
+    systemd.services.kop-fhcalendar = {
+      description = "Download fh calendar";
+      wants = [ "network-online.target" ];
+      after = [ "network.target" "network-online.target" ];
+      wantedBy = [ "multi-user.target" ];
+
+      serviceConfig = let 
+        # stinky
+        dir = "${config.services.radicale.settings.storage.filesystem_folder}/collection-root/kopatz/b6d2c446-8109-714a-397f-1f35d3136639";
+        in {
+        ExecStart = "${pkgs.kop-fhcalendar}/bin/kop-fhcalendar";
+        WorkingDirectory = dir;
+        BindPaths = [ "${dir}" ];
+        User = "radicale";
+        Restart = "on-failure";
+        RestartSec = "5s";
+        PrivateMounts = lib.mkDefault true;
+        PrivateTmp = lib.mkDefault true;
+        PrivateUsers = lib.mkDefault true;
+        ProtectClock = lib.mkDefault true;
+        ProtectControlGroups = lib.mkDefault true;
+        ProtectHome = lib.mkDefault true;
+        ProtectHostname = lib.mkDefault true;
+        ProtectKernelLogs = lib.mkDefault true;
+        ProtectKernelModules = lib.mkDefault true;
+        ProtectKernelTunables = lib.mkDefault true;
+        ProtectSystem = lib.mkDefault "strict";
+        # Needs network access
+        PrivateNetwork = lib.mkDefault false;
+      };
+    };
   };
 }
diff --git a/pkgs/default.nix b/pkgs/default.nix
index 429f885..52630e2 100644
--- a/pkgs/default.nix
+++ b/pkgs/default.nix
@@ -6,6 +6,7 @@
   kop-monitor = pkgs.callPackage ./kop-monitor/default.nix { };
   kop-newproject = pkgs.callPackage ./kop-newproject/default.nix { };
   kop-fileshare = pkgs.callPackage ./kop-fileshare/default.nix { };
+  kop-fhcalendar = pkgs.callPackage ./kop-fhcalendar/default.nix { };
   adam-site = pkgs.callPackage ./adam-site/default.nix { };
   sddm-astronaut = pkgs.callPackage ./sddm-astronaut/default.nix { };
 }
diff --git a/pkgs/kop-fhcalendar/default.nix b/pkgs/kop-fhcalendar/default.nix
new file mode 100644
index 0000000..456d8af
--- /dev/null
+++ b/pkgs/kop-fhcalendar/default.nix
@@ -0,0 +1,17 @@
+{ rustPlatform
+, lib
+, pkgs
+, ...
+}:
+rustPlatform.buildRustPackage {
+  pname = "kop-fhcalendar";
+  version = "1.0.0";
+
+  src = fetchGit {
+    url = "git@github.com:kropatz/kop-fhcalendar.git";
+    ref = "master";
+    rev = "c765949de30eeea99241e9f2ba4d9b5d30c43a1b";
+  };
+
+  cargoHash = "sha256-IrTBLJ3bAe+xveZa5eEz7K51zsM+EQokQNR//1ZHbBk=";
+}