diff --git a/flake.nix b/flake.nix
index 5036c6c..a63b299 100644
--- a/flake.nix
+++ b/flake.nix
@@ -21,7 +21,7 @@
       packages = forAllSystems (pkgs:
         let
           # Quickshell from the upstream flake rather than nixpkgs.
-          qsPkg = quickshell.packages.${pkgs.system}.default;
+          qsPkg = quickshell.packages.${pkgs.stdenv.hostPlatform.system}.default;
 
           # Runtime tools the bar relies on: discover.sh (one-shot hardware
           # probe), the periodic `df` for disk usage, and `ss` (iproute2) for
@@ -65,14 +65,14 @@
       apps = forAllSystems (pkgs: {
         default = {
           type = "app";
-          program = "${self.packages.${pkgs.system}.default}/bin/quickshell-bar";
+          program = "${self.packages.${pkgs.stdenv.hostPlatform.system}.default}/bin/quickshell-bar";
         };
       });
 
       devShells = forAllSystems (pkgs: {
         default = pkgs.mkShell {
           packages = [
-            quickshell.packages.${pkgs.system}.default
+            quickshell.packages.${pkgs.stdenv.hostPlatform.system}.default
             pkgs.bash
             pkgs.coreutils
             pkgs.iproute2 # ss, for topnet.sh