diff --git a/.changeset/nix-host-platform.md b/.changeset/nix-host-platform.md
new file mode 100644
index 0000000000..5e28e46fae
--- /dev/null
+++ b/.changeset/nix-host-platform.md
@@ -0,0 +1,5 @@
+---
+"@googleworkspace/cli": patch
+---
+
+Use Nix host platform attributes when selecting system dependencies.
diff --git a/flake.nix b/flake.nix
index 0f465d77df..b7b3c852ad 100644
--- a/flake.nix
+++ b/flake.nix
@@ -38,8 +38,8 @@
           };
 
           nativeBuildInputs = [ pkgs.pkg-config ];
-          buildInputs = pkgs.lib.optionals pkgs.stdenv.isLinux linuxDeps
-            ++ pkgs.lib.optionals pkgs.stdenv.isDarwin darwinDeps;
+          buildInputs = pkgs.lib.optionals pkgs.stdenv.hostPlatform.isLinux linuxDeps
+            ++ pkgs.lib.optionals pkgs.stdenv.hostPlatform.isDarwin darwinDeps;
 
           # Tests are disabled by default in buildRustPackage if not specified, 
           # but we'll be explicit. Some tests might require network.