diff --git a/backend/order/src/main/resources/application-prod.yml b/backend/order/src/main/resources/application-prod.yml
index 60299ef5..f0da158b 100644
--- a/backend/order/src/main/resources/application-prod.yml
+++ b/backend/order/src/main/resources/application-prod.yml
@@ -35,7 +35,7 @@ spring:
     bootstrap-servers: ${KAFKA_BOOTSTRAP_SERVERS}
     consumer:
       group-id: order-group
-      group-instance-id: ${HOSTNAME}-${INSTANCE_INDEX}
+      group-instance-id: ${HOSTNAME}-instance
       auto-offset-reset: earliest
 
 logging: