diff --git a/pkgs/top-level/release-lib.nix b/pkgs/top-level/release-lib.nix
index 9f2886895689..a1dcc3e9f334 100644
--- a/pkgs/top-level/release-lib.nix
+++ b/pkgs/top-level/release-lib.nix
@@ -1,4 +1,5 @@
 { supportedSystems
+, system ? builtins.currentSystem
 , packageSet ? (import ../..)
 , scrubJobs ? true
 , # Attributes passed to nixpkgs. Don't build packages marked as unfree.
@@ -33,7 +34,7 @@ let
     systems
     ;
 
-  pkgs = packageSet (recursiveUpdate { system = "x86_64-linux"; config.allowUnsupportedSystem = true; } nixpkgsArgs);
+  pkgs = packageSet (recursiveUpdate { inherit system; config.allowUnsupportedSystem = true; } nixpkgsArgs);
 
   hydraJob' = if scrubJobs then hydraJob else id;
 
diff --git a/pkgs/top-level/release.nix b/pkgs/top-level/release.nix
index d11d1d1dbd43..4f95c7d084ef 100644
--- a/pkgs/top-level/release.nix
+++ b/pkgs/top-level/release.nix
@@ -9,6 +9,7 @@
    $ nix-build pkgs/top-level/release.nix -A coreutils.x86_64-linux
 */
 { nixpkgs ? { outPath = (import ../../lib).cleanSource ../..; revCount = 1234; shortRev = "abcdef"; revision = "0000000000000000000000000000000000000000"; }
+, system ? builtins.currentSystem
 , officialRelease ? false
   # The platform doubles for which we build Nixpkgs.
 , supportedSystems ? [ "x86_64-linux" "x86_64-darwin" "aarch64-linux" "aarch64-darwin" ]
@@ -54,7 +55,7 @@
 
 let
   release-lib = import ./release-lib.nix {
-    inherit supportedSystems scrubJobs nixpkgsArgs;
+    inherit supportedSystems scrubJobs nixpkgsArgs system;
   };
 
   inherit (release-lib) mapTestOn pkgs;