diff --git a/pkgs/top-level/stage.nix b/pkgs/top-level/stage.nix
index 96ee8cd1265c..e5b349bc38b0 100644
--- a/pkgs/top-level/stage.nix
+++ b/pkgs/top-level/stage.nix
@@ -214,16 +214,16 @@ let
     } else throw "i686 Linux package set can only be used with the x86 family.";
 
     # x86_64-darwin packages for aarch64-darwin users to use with Rosetta for incompatible packages
-    pkgsx86Darwin = if stdenv.hostPlatform.isDarwin then nixpkgsFun {
+    pkgsx86_64Darwin = if stdenv.hostPlatform.isDarwin then nixpkgsFun {
       overlays = [ (self': super': {
-        pkgsx86Darwin = super';
+        pkgsx86_64Darwin = super';
       })] ++ overlays;
       localSystem = {
         parsed = stdenv.hostPlatform.parsed // {
           cpu = lib.systems.parse.cpuTypes.x86_64;
         };
       };
-    } else throw "x86 Darwin package set can only be used on Darwin systems.";
+    } else throw "x86_64 Darwin package set can only be used on Darwin systems.";
 
     # Extend the package set with zero or more overlays. This preserves
     # preexisting overlays. Prefer to initialize with the right overlays