diff --git a/modules/terraform-aws-alternat/lambda.tf b/modules/terraform-aws-alternat/lambda.tf
index 41432f6..48b8d0c 100644
--- a/modules/terraform-aws-alternat/lambda.tf
+++ b/modules/terraform-aws-alternat/lambda.tf
@@ -1,3 +1,12 @@
+locals {
+  autoscaling_func_env_vars = {
+    # Lambda function env vars cannot contain hyphens
+    for obj in var.vpc_az_maps
+    : replace(upper(obj.az), "-", "_") => join(",", obj.route_table_ids)
+  }
+  has_ipv6_env_var = { "HAS_IPV6" = var.lambda_has_ipv6 }
+}
+
 data "archive_file" "lambda" {
   count       = var.lambda_package_type == "Zip" ? 1 : 0
   type        = "zip"
@@ -36,15 +45,6 @@ resource "aws_lambda_function" "alternat_autoscaling_hook" {
   }, var.tags)
 }
 
-locals {
-  autoscaling_func_env_vars = {
-    # Lambda function env vars cannot contain hyphens
-    for obj in var.vpc_az_maps
-    : replace(upper(obj.az), "-", "_") => join(",", obj.route_table_ids)
-  }
-  has_ipv6_env_var = { "HAS_IPV6" = var.lambda_has_ipv6 }
-}
-
 resource "aws_iam_role" "nat_lambda_role" {
   name               = var.nat_lambda_function_role_name == "" ? null : var.nat_lambda_function_role_name
   name_prefix        = var.nat_lambda_function_role_name == "" ? "alternat-lambda-role-" : null