diff --git a/terraform/modules/pve_vm/main.tf b/terraform/modules/pve_vm/main.tf
index 86324c0..eada82b 100644
--- a/terraform/modules/pve_vm/main.tf
+++ b/terraform/modules/pve_vm/main.tf
@@ -66,9 +66,9 @@ resource "proxmox_virtual_environment_vm" "vm" {
   }
 
   disk {
-    datastore_id = var.node_datastore # Datastore to hold the disk
+    datastore_id = var.node_datastore  # Datastore to hold the disk
     interface    = "scsi0"             # Primary disk interface
-    size         = 10                   # Disk size in GB
+    size         = var.vm_disk_size    # Disk size in GB
   }
 
   initialization {
diff --git a/terraform/modules/pve_vm/variables.tf b/terraform/modules/pve_vm/variables.tf
index 16708f9..44a0f0a 100644
--- a/terraform/modules/pve_vm/variables.tf
+++ b/terraform/modules/pve_vm/variables.tf
@@ -44,6 +44,12 @@ variable "vm_ram" {
   default     = 2048
 }
 
+variable "vm_disk_size" {
+  description = "Size of the disk (GB) of the VM"
+  type        = number
+  default     = 10
+}
+
 variable "vm_bios" {
   description = "Type of BIOS used for the VM"
   type        = string