diff --git a/main.tf b/main.tf
index 0dc9190..0930581 100644
--- a/main.tf
+++ b/main.tf
@@ -56,6 +56,7 @@ resource "google_compute_instance" "pgbouncer" {
   network_interface {
     subnetwork         = var.subnetwork
     subnetwork_project = var.project
+    network_ip         = var.network_ip
 
     dynamic "access_config" {
       for_each = var.disable_public_ip ? [] : [1]
diff --git a/variables.tf b/variables.tf
index 7bcb1f9..589f17e 100644
--- a/variables.tf
+++ b/variables.tf
@@ -142,3 +142,9 @@ variable "module_depends_on" {
   type        = list
   default     = []
 }
+
+variable "network_ip" {
+  description = "Private IP Address of the VM"
+  type        = string
+  default     = null
+}