diff --git a/roles/virtualization/tasks/proxmox.yml b/roles/virtualization/tasks/proxmox.yml
index 56bd2b7..1bc7180 100644
--- a/roles/virtualization/tasks/proxmox.yml
+++ b/roles/virtualization/tasks/proxmox.yml
@@ -13,6 +13,7 @@
     cpu: "host"
     cores: "{{ vm_cpus }}"  # Number of CPU cores
     memory: "{{ vm_memory }}"  # Memory size in MB
+    balloon: "{{ vm_ballo | default(omit) }}"
     numa_enabled: true
     hotplug: "network,disk"
     bios: ovmf