diff --git a/flake.nix b/flake.nix
index 2ba5e00..5e7245f 100644
--- a/flake.nix
+++ b/flake.nix
@@ -38,7 +38,7 @@
           };
         };
 
-        flake.nixosModules.default = import ./module.nix;
+        flake.nixosModules.default = import ./module.nix inputs.self;
       };
     };
 }
diff --git a/module.nix b/module.nix
index 1ecf0ec..376a558 100644
--- a/module.nix
+++ b/module.nix
@@ -1,4 +1,4 @@
-{
+self: {
   config,
   lib,
   pkgs,
@@ -10,7 +10,7 @@ in {
   meta.maintainers = with lib.maintainers; [quadradical];
   options.services.matrixoidc = {
     enable = lib.mkEnableOption "the matrixoidc server";
-    package = lib.mkPackageOption pkgs "matrixoidc" {};
+    package = lib.mkPackageOption self.packages.${pkgs.stdenv.hostPlatform.system} "matrixoidc" {};
 
     group = lib.mkOption {
       type = lib.types.string;