diff --git a/proxmox.variables.tf b/proxmox.variables.tf
index 1bba1ce..4bc992f 100644
--- a/proxmox.variables.tf
+++ b/proxmox.variables.tf
@@ -44,7 +44,8 @@ variable "proxmox_k8s_vms" {
     ip3        = string
     hostpci = optional(list(object({
       pcie  = bool
-      device =string
+      device = string
+      mapping = string
     })))
     cores     = optional(number)
     memory    = optional(number)