diff --git a/demo/default.nix b/demo/default.nix
index a8c2ea5..8c3305f 100644
--- a/demo/default.nix
+++ b/demo/default.nix
@@ -1,4 +1,4 @@
-{ pkgs, lib, ... }:
+{ pkgs, lib, config, ... }:
 
 {
   system.stateVersion = "25.05";
@@ -71,7 +71,7 @@
         Type = "oneshot";
         RemainAfterExit = true;
       };
-      path = [ pkgs.intake ];
+      path = config.environment.systemPackages ++ [ pkgs.intake ];
       environment.INTAKE_DATA_DIR = "/home/${userName}/.local/share/intake";
       wantedBy = [ "intake-${userName}.service" ];
       before = [ "intake-${userName}.service" ];
diff --git a/module.nix b/module.nix
index 864689d..ceeef69 100644
--- a/module.nix
+++ b/module.nix
@@ -108,7 +108,7 @@ in
             "intake-${userName}" = {
               description = "Intake service for user ${userName}";
               script = "${runScript userName}";
-              path = intakeCfg.extraPackages ++ userCfg.extraPackages;
+              path = config.environment.systemPackages ++ intakeCfg.extraPackages ++ userCfg.extraPackages;
               environment = {
                 INTAKE_DATA_DIR = "/home/${userName}/.local/share/intake";
               };