diff --git a/pkgs/zig.nix b/pkgs/zig.nix
index c6884d6..588df24 100644
--- a/pkgs/zig.nix
+++ b/pkgs/zig.nix
@@ -1,14 +1,17 @@
 { sources ? import ./sources.nix, pkgs ? import sources.nixpkgs { } }:
 
-version: sha256:
+version: shasums:
 
 let
-  url = if pkgs.stdenv.isDarwin then
-    "https://ziglang.org/builds/zig-macos-x86_64-${version}.tar.xz"
-  else
-    "https://ziglang.org/builds/zig-linux-x86_64-${version}.tar.xz";
+  attrs = if pkgs.stdenv.isDarwin then {
+    url = "https://ziglang.org/builds/zig-macos-x86_64-${version}.tar.xz";
+    sha256 = shasums.mac;
+  } else {
+    url = "https://ziglang.org/builds/zig-linux-x86_64-${version}.tar.xz";
+    sha256 = shasums.linux;
+  };
 
-  src = pkgs.fetchurl { inherit sha256 url; };
+  src = pkgs.fetchurl attrs;
 
 in pkgs.stdenv.mkDerivation {
   name = "zig";