diff --git a/group_vars/aws_node_local.yml b/group_vars/aws_node_local.yml
index aa79201..b47d903 100644
--- a/group_vars/aws_node_local.yml
+++ b/group_vars/aws_node_local.yml
@@ -51,7 +51,7 @@ atl_jdbc_url: "jdbc:postgresql://{{ atl_db_host }}:{{ atl_db_port }}/{{ atl_jdbc
 
 atl_jvm_heap: "{{ lookup('env', 'ATL_JVM_HEAP') or '2048m' }}"
 atl_catalina_opts: "{{ lookup('env', 'ATL_CATALINA_OPTS') or '' }}"
-atl_proxy_name:  "{{ lookup('env', 'ATL_PROXY_NAME') }}"
+atl_proxy_name:  "{{ lookup('env', 'ATL_PROXY_NAME') | lower }}"
 atl_proxy_port:  "{{ lookup('env', 'ATL_TOMCAT_PROXYPORT') }}"
 atl_tomcat_port: "{{ lookup('env', 'ATL_TOMCAT_DEFAULTCONNECTORPORT') or '8080' }}"