diff --git a/dev-aws/kafka-shared-msk/energy-billing/modules.tf b/dev-aws/kafka-shared-msk/energy-billing/modules.tf
index 0e9a4469..7b6d803a 100644
--- a/dev-aws/kafka-shared-msk/energy-billing/modules.tf
+++ b/dev-aws/kafka-shared-msk/energy-billing/modules.tf
@@ -6,7 +6,7 @@ module "billing_adapter" {
 
 module "billing_adapter_retry_1" {
   source           = "../../../modules/tls-app"
-  cert_common_name = "energy-billing/billing-adapter-retry-1"
+  cert_common_name = "energy-billing/billing-adapter"
   produce_topics   = [kafka_topic.internal_energy_billing_billing_adapter_retry_2.name]
   consume_topics   = [kafka_topic.internal_energy_billing_billing_adapter_retry_1.name]
   consume_groups   = ["energy-billing.billing-adapter-retry-1"]
@@ -14,7 +14,7 @@ module "billing_adapter_retry_1" {
 
 module "billing_adapter_retry_2" {
   source           = "../../../modules/tls-app"
-  cert_common_name = "energy-billing/billing-adapter-retry-2"
+  cert_common_name = "energy-billing/billing-adapter"
   produce_topics   = [kafka_topic.internal_energy_billing_billing_adapter_deadletter.name]
   consume_topics   = [kafka_topic.internal_energy_billing_billing_adapter_retry_2.name]
   consume_groups   = ["energy-billing.billing-adapter-retry-2"]