diff --git a/infrastructure/environments/prod/variables.sh b/infrastructure/environments/prod/variables.sh
index 8f96ca86..adcf0959 100644
--- a/infrastructure/environments/prod/variables.sh
+++ b/infrastructure/environments/prod/variables.sh
@@ -7,7 +7,6 @@ HUB=prod
 ENABLE_SOFT_DELETE=true
 ADO_MANAGEMENT_POOL=private-pool-prod-uks
 CLOUD_API_HOSTNAME=manage-breast-screening.nhs.uk
-SCREENING_ENTRA_GROUP_ID="3b2b22b0-ac8e-4904-a94b-9010ff08698a"
 # ring1 = first real sites (one per PACS vendor)
 # To onboard more rings: set GATEWAY_RINGS="ring0 ring1 ring2 ..." in this file
 GATEWAY_RINGS="ring1"
diff --git a/infrastructure/environments/prod/variables.tfvars b/infrastructure/environments/prod/variables.tfvars
index 7a560678..bcf01cdf 100644
--- a/infrastructure/environments/prod/variables.tfvars
+++ b/infrastructure/environments/prod/variables.tfvars
@@ -1,2 +1,2 @@
 # All values use defaults: enable_gateway_test_vm = false, enable_arc_servers = true
-SCREENING_ENTRA_GROUP_ID = "3b2b22b0-ac8e-4904-a94b-9010ff08698a"
+screening_entra_group_id = "3b2b22b0-ac8e-4904-a94b-9010ff08698a"