diff --git a/flake.nix b/flake.nix
index dbe225f5..b6c35b97 100644
--- a/flake.nix
+++ b/flake.nix
@@ -272,7 +272,7 @@
               #!${pkgs.runtimeShell} -ex
               ssh ${target} "time nix-collect-garbage -d && time nix-store --optimise"
             '';
-          } // lib.optionalAttrs (hostConfig ? c3d2.deployment.server) {
+          } // lib.optionalAttrs (builtins.elem (hostConfig.c3d2.deployment.server or null) [ "server9" "server10" ]) {
             "microvm-update-${name}" = pkgs.writeScriptBin "microvm-update-${name}" ''
               #!${pkgs.runtimeShell} -e
               ${hostConfig.system.build.copyToServer} ${self} ${secrets}
@@ -296,7 +296,7 @@
               systemctl restart microvm@${name}.service
               END
             '';
-
+          } // lib.optionalAttrs (hostConfig.c3d2.deployment.server or null == "nomad") {
             "microvm-update-${name}-local" = pkgs.writeScriptBin "microvm-update-${name}" ''
               #!${pkgs.runtimeShell} -e
               ${hostConfig.system.build.copyToServer} ${hostConfig.microvm.declaredRunner}