diff --git a/modules/apps/server/default.nix b/modules/apps/server/default.nix
index ab6e57c..01b64e1 100644
--- a/modules/apps/server/default.nix
+++ b/modules/apps/server/default.nix
@@ -16,7 +16,6 @@ in {
   config = mkIf cfg.enable {
     environment.systemPackages = with pkgs; [
       certbot
-      jdk
     ];
   };
 }
diff --git a/modules/timers/rooms.nix b/modules/timers/rooms.nix
index 256cda3..a6317aa 100644
--- a/modules/timers/rooms.nix
+++ b/modules/timers/rooms.nix
@@ -1,6 +1,7 @@
 {
   lib,
   config,
+  pkgs,
   ...
 }: let
   inherit (lib) mkEnableOption mkIf;
@@ -13,6 +14,10 @@ in {
   };
 
   config = mkIf cfg.enable {
+    environment.packages = with pkgs; [
+      jdk
+    ];
+    
     systemd.timers."rooms" = {
       wantedBy = ["timers.target"];
       timerConfig = {
@@ -24,7 +29,7 @@ in {
     systemd.services."rooms" = {
       script = ''
         cd /home/horseman/Programming
-        java -jar KamerZoeken-1.0.0.jar headless
+        /run/current-system/sw/bin/java -jar KamerZoeken-1.0.0.jar headless
       '';
       serviceConfig = {
         Type = "oneshot";