diff --git a/flake.nix b/flake.nix
index 7ef076b..3058a3a 100644
--- a/flake.nix
+++ b/flake.nix
@@ -151,7 +151,7 @@
                 (hostname: machine: pkgs.writeShellScript "deploy/${hostname}" ''
                   ${lib.getExe (machineRebuild machine)} switch \
                     --flake .#${hostname} \
-                    ${lib.optionalString (system != machine.system) ''--build-host root@${machine.config.deployment.targetHost} \''}
+                    ${lib.optionalString (system != machine.config.deployment.system) ''--build-host root@${machine.config.deployment.targetHost} \''}
                     --target-host root@${machine.config.deployment.targetHost} \
                     $@
                 '')