diff --git a/infrastructure/terraform/components/app/locals.tf b/infrastructure/terraform/components/app/locals.tf
index e078e5392..fc0159038 100644
--- a/infrastructure/terraform/components/app/locals.tf
+++ b/infrastructure/terraform/components/app/locals.tf
@@ -3,4 +3,5 @@ locals {
   root_domain_name             = "${var.environment}.${local.acct.dns_zone["name"]}"
   lambdas_source_code_dir      = "../../../../lambdas"
   log_destination_arn          = "arn:aws:logs:${var.region}:${var.observability_account_id}:destination:nhs-main-obs-firehose-logs"
+  log_destination_arn_us       = "arn:aws:logs:us-east-1:${var.observability_account_id}:destination:nhs-main-obs-us-east-1-firehose-logs"
 }
diff --git a/infrastructure/terraform/components/app/module_download_authorizer_lambda.tf b/infrastructure/terraform/components/app/module_download_authorizer_lambda.tf
index 236c802f0..b94807cb9 100644
--- a/infrastructure/terraform/components/app/module_download_authorizer_lambda.tf
+++ b/infrastructure/terraform/components/app/module_download_authorizer_lambda.tf
@@ -32,7 +32,7 @@ module "download_authorizer_lambda" {
   lambda_at_edge          = true
   enable_lambda_insights  = false
 
-  log_destination_arn       = local.log_destination_arn
+  log_destination_arn       = local.log_destination_arn_us
   log_subscription_role_arn = local.acct.log_subscription_role_arn
 }