diff --git a/.github/workflows/_deploy_lambda.yml b/.github/workflows/_deploy_lambda.yml
index 35c517ad..6d1430a2 100644
--- a/.github/workflows/_deploy_lambda.yml
+++ b/.github/workflows/_deploy_lambda.yml
@@ -58,7 +58,7 @@ on:
         required: false
       TF_VAR_google_solar_api_key:
         required: false
-      TF_VAR_ORDNANCE_SURVEY_API_KEY:
+      TF_VAR_ordnance_survey_api_key:
         required: false
 
 jobs:
diff --git a/infrastructure/terraform/lambda/ordnanceSurvey/main.tf b/infrastructure/terraform/lambda/ordnanceSurvey/main.tf
index 7e045621..fb8876fa 100644
--- a/infrastructure/terraform/lambda/ordnanceSurvey/main.tf
+++ b/infrastructure/terraform/lambda/ordnanceSurvey/main.tf
@@ -42,4 +42,4 @@ module "ordnance" {
 resource "aws_iam_role_policy_attachment" "ordanceSurvey_read_and_write" {
   role       = module.ordnance.role_name
   policy_arn = data.terraform_remote_state.shared.outputs.ordnance_s3_read_and_write_arn
-}
+}
\ No newline at end of file