diff --git a/infrastructure/terraform/lambda/address2UPRN/main.tf b/infrastructure/terraform/lambda/address2UPRN/main.tf
index a6f56074..79e2bb2f 100644
--- a/infrastructure/terraform/lambda/address2UPRN/main.tf
+++ b/infrastructure/terraform/lambda/address2UPRN/main.tf
@@ -41,6 +41,7 @@ module "address2uprn" {
       DATA_BUCKET = "test"
       ENGINE_SQS_URL = "test"
       ENERGY_ASSESSMENTS_BUCKET = "test"
+      S3_BUCKET_NAME = data.terraform_remote_state.retrofit_sap_data.outputs.bucket_name
     },
   )
 }
diff --git a/infrastructure/terraform/lambda/postcodeSplitter/main.tf b/infrastructure/terraform/lambda/postcodeSplitter/main.tf
index 81120772..78d927d3 100644
--- a/infrastructure/terraform/lambda/postcodeSplitter/main.tf
+++ b/infrastructure/terraform/lambda/postcodeSplitter/main.tf
@@ -55,6 +55,7 @@ module "lambda" {
       ENGINE_SQS_URL = "test"
       ENERGY_ASSESSMENTS_BUCKET = "test"
       ADDRESS2UPRN_QUEUE_URL = data.terraform_remote_state.address2uprn.outputs.address2uprn_queue_url
+      S3_BUCKET_NAME = "retrofit-data-dev" # Hardcoded as deployed via serverless i believe
     },
   )
 }