diff --git a/home/modules/hyprland/hyprland.nix b/home/modules/hyprland/hyprland.nix
index c3374f2..bac4bb9 100644
--- a/home/modules/hyprland/hyprland.nix
+++ b/home/modules/hyprland/hyprland.nix
@@ -201,9 +201,6 @@ in
         exec-once=pasystray
 
         source=${config.home.homeDirectory}/.cache/wallust/hyprland.conf
-
-        exec-once=bash -c "sleep 10; until ping -c 1 google.com; do sleep 1; done; slack"
-        exec-once=bash -c "sleep 10; until ping -c 1 nextcloud.tigor.web.id; do sleep 1; done; nextcloud --background"
       '';
     };
   };
diff --git a/home/programs/slack.nix b/home/programs/slack.nix
index ce8bca5..3b815ea 100644
--- a/home/programs/slack.nix
+++ b/home/programs/slack.nix
@@ -1,56 +1,19 @@
 { pkgs, lib, config, ... }:
 let
   cfg = config.profile.slack;
+  script = pkgs.writeShellScriptBin "slack.sh" ''
+    sleep 10; until ${pkgs.unixtools.ping}/bin/ping -c 1 1.1.1.1; do sleep 1; done; slack
+  '';
+  scriptFile = lib.meta.getExe script;
 in
 {
   config = lib.mkIf cfg.enable {
     home.packages = with pkgs; [ slack ];
 
-    systemd.user = lib.mkIf cfg.autostart {
-      # Unlike Discord, Slack is only used on office hours,
-      # so we will use a timer to start it on office hours only.
-      timers.slack = {
-        Unit = {
-          Description = "Start Slack Desktop Client on Weekdays on Login";
-        };
-        Timer = {
-          OnCalendar = "Mon..Fri 09..18:*:*";
-        };
-        Install = {
-          WantedBy = [ "timers.target" ];
-        };
-      };
-      services.slack = {
-        Unit = {
-          Description = "Slack Desktop Client";
-          Wants = [ "graphical.target" ];
-          StartLimitIntervalSec = 300;
-          StartLimitBurst = 10;
-        };
-        Service =
-          let
-            bash = "${pkgs.bash}/bin/bash";
-            ping = "${pkgs.unixtools.ping}/bin/ping";
-            host = "google.com"; # slack.com does not respond to ping
-            sleep = "${pkgs.coreutils}/bin/sleep";
-            slack = "${pkgs.slack}/bin/slack";
-            exec = ''${bash} -c "until ${ping} -c 1 ${host}; do ${sleep} 1; done; ${slack}"'';
-          in
-          {
-            Type = "simple";
-            ExecStartPre = "${sleep} 5";
-            ExecStart = exec;
-            Restart = "on-failure";
-            # Prevent Slack from auto-restarting when user closes it.
-            # The timer setup above will trigger this service
-            # if RemaiAfterExit is not set to "yes".
-            #
-            # This will mark the service as still "Active" by systemd
-            # hence the timer will not trigger the service again.
-            RemainAfterExit = "yes";
-            Environment = [ "NIXOS_OZONE_WL=1" ];
-          };
-      };
-    };
+    wayland.windowManager.hyprland.settings.exec-once = lib.mkIf cfg.autostart [
+      scriptFile
+    ];
+
+    home.file.".config/autostart/slack.sh".source = lib.mkIf cfg.autostart scriptFile;
   };
 }
diff --git a/home/programs/zsh.nix b/home/programs/zsh.nix
index 19b542f..5c45de2 100644
--- a/home/programs/zsh.nix
+++ b/home/programs/zsh.nix
@@ -86,7 +86,7 @@ in
       /*bash*/
       ''
         packfiles() {
-          find $(nix build "nixpkgs#$1" --no-link --print-out-paths) 
+          find $(NIXPKGS_ALLOW_UNFREE=1 nix build "nixpkgs#$1" --impure --no-link --print-out-paths) 
         }
 
         build() {
diff --git a/profiles/castle.nix b/profiles/castle.nix
index 1350c35..95c3c1a 100644
--- a/profiles/castle.nix
+++ b/profiles/castle.nix
@@ -52,7 +52,10 @@ in
       enable = true;
       autostart = true;
     };
-    slack.enable = true;
+    slack = {
+      enable = true;
+      autostart = true;
+    };
     whatsapp = {
       enable = true;
       autostart = true;