diff --git a/flake.nix b/flake.nix
index 9f5359c1..e3261a39 100644
--- a/flake.nix
+++ b/flake.nix
@@ -17,13 +17,8 @@
     // flake-utils.lib.eachDefaultSystem (
       system:
       let
-        pkgs = import nixpkgs {
-          inherit system;
-          config = {
-            allowAliases = false;
-          };
-          overlays = [ self.overlays.default ];
-        };
+        pkgs = nixpkgs.legacyPackages.${system};
+        appliedOverlay = self.overlays.default pkgs pkgs;
       in
       {
         # check that copyparty builds with all optionals turned on
@@ -40,7 +35,7 @@
         };
 
         packages = {
-          inherit (pkgs)
+          inherit (appliedOverlay)
             copyparty
             partyfuse
             u2c