diff --git a/config/infra-prod/nextflow-ecs-task-definition.yaml b/config/infra-prod/nextflow-ecs-task-definition.yaml
index 60452ed..2978271 100644
--- a/config/infra-prod/nextflow-ecs-task-definition.yaml
+++ b/config/infra-prod/nextflow-ecs-task-definition.yaml
@@ -33,9 +33,9 @@ parameters:
     - thomas.yu@sagebase.org
   TowerConfigFileName: "tower.yaml"
 
-stack_tags: 
+stack_tags:
   {{stack_group_config.default_stack_tags}}
-  
+
 sceptre_user_data:
   environment: !file src/tower/resources/environment.yaml
   EnableRedisDocker: false