diff --git a/nix/default.nix b/nix/default.nix
index 0731737..4b108dd 100644
--- a/nix/default.nix
+++ b/nix/default.nix
@@ -1,5 +1,5 @@
 {
-  pkgs ? import <nixpkgs>,
+  pkgs ? import <nixpkgs> { },
 }:
 let
   pkg = pkgs.callPackage ./pkg.nix { inherit pkgs; };
diff --git a/nix/pkg.nix b/nix/pkg.nix
index e1c22d6..6788e39 100644
--- a/nix/pkg.nix
+++ b/nix/pkg.nix
@@ -1,5 +1,5 @@
 {
-  pkgs ? import <nixpkgs>,
+  pkgs ? import <nixpkgs> { },
 }:
 let
   name = "ugitd";