diff --git a/flake.nix b/flake.nix
index 59bff99..8a136a7 100644
--- a/flake.nix
+++ b/flake.nix
@@ -46,12 +46,10 @@
 		self,
 		...}@inputs:
 	let
-		pkg-sets = (
-			final: prev: {
-				unstable = import inputs.nixunstable { system = final.system; inherit overlays; };
-				nix23_05 = import inputs.nix23_05 { system = final.system; inherit overlays; };
-			}
-		);
+		pkg-sets = final: prev: {
+			unstable = import inputs.nixunstable { system = final.system; inherit overlays; };
+			nix23_05 = import inputs.nix23_05 { system = final.system; inherit overlays; };
+		};
 		local_overlay = import ./overlays;
 		overlays = [
 			agenix.overlays.default
@@ -86,5 +84,8 @@
 
 		overlays = { default = local_overlay; };
 		packages = (import ./overlays/packages.nix { inherit nixunstable flake-utils; });
+		defaultPackage = {
+			x86_64-linux = self.nixosConfigurations.iso-beta.config.system.build.toplevel;
+		};
 	};
 }