diff --git a/flake.nix b/flake.nix
index ca8ee8b..2fadd94 100644
--- a/flake.nix
+++ b/flake.nix
@@ -36,7 +36,7 @@
       };
     });
 
-    overlays.default = final: prev: self.packages.${final.system};
+    overlays.default = final: prev: self.packages.${final.stdenv.hostPlatform.system};
 
     checks = forAllSystems (system: pkgs: {
       inherit (self.packages.${system}) bluemap-export mapcrafter-export;