diff --git a/terraform/environments/delius-mis/locals_development.tf b/terraform/environments/delius-mis/locals_development.tf
index 104ee52f095..7b921f312b3 100644
--- a/terraform/environments/delius-mis/locals_development.tf
+++ b/terraform/environments/delius-mis/locals_development.tf
@@ -9,6 +9,7 @@ locals {
     migration_environment_full_name        = "dmd-mis-dev"
     migration_environment_abbreviated_name = "dmd"
     migration_environment_short_name       = "mis-dev"
+    migration_environment_private_cidr     = ["10.162.32.0/22", "10.162.36.0/22", "10.162.40.0/22"]
     cloudwatch_alarm_schedule              = true
     cloudwatch_alarm_disable_time          = "20:45"
     cloudwatch_alarm_enable_time           = "06:15"