diff --git a/modules/scripts.nix b/modules/scripts.nix
index 5e6681b..4a4a850 100644
--- a/modules/scripts.nix
+++ b/modules/scripts.nix
@@ -946,6 +946,7 @@ let
         };
         cpus = {
           boot_vcpus = vm.cpus;
+          max_vcpus = vm.cpus;
           core_scheduling = coreScheduling;
         };
         balloon = {