diff --git a/flake.nix b/flake.nix
index ee50e1b..4da46c8 100644
--- a/flake.nix
+++ b/flake.nix
@@ -146,10 +146,16 @@
 
       uterranix.terraform = pkgs:
         let
-          hpkgs = inputs.nixpkgs.legacyPackages.${pkgs.stdenv.system}.appendOverlays (with config.flake.overlays; [
-            terraform-provider-vault
-            terraform-provider-influxdb-v2
-          ]);
+          hpkgs = import inputs.nixpkgs {
+            inherit (pkgs.stdenv) system;
+            overlays = with self.overlays; [
+              terraform-provider-vault
+              terraform-provider-influxdb-v2
+            ];
+            config.allowUnfreePredicate = lib'.traceVal (pkgs: builtins.elem (lib'.getName pkgs) [
+              "terraform"
+            ]);
+          };
         in
           hpkgs.terraform.withPlugins (p: [
             p.consul