diff --git a/modules/networking/vpn_gateway_nat_rule/variables.tf b/modules/networking/vpn_gateway_nat_rule/variables.tf
index e7addcaa70..0a5a9df7e3 100644
--- a/modules/networking/vpn_gateway_nat_rule/variables.tf
+++ b/modules/networking/vpn_gateway_nat_rule/variables.tf
@@ -8,7 +8,3 @@ variable "resource_group_name" {
   type        = string
 }
 variable "client_config" {}
-
-variable "vpn_gateway_nat_rules" {
-  default = {}
-}
diff --git a/variables.tf b/variables.tf
index bd5839ecf1..d63a5d4df0 100644
--- a/variables.tf
+++ b/variables.tf
@@ -439,3 +439,7 @@ variable "preview_features" {
 variable "powerbi_embedded" {
   default = {}
 }
+
+variable "vpn_gateway_nat_rules" {
+  default = {}
+}