diff --git a/group_vars/aws_node_local.yml b/group_vars/aws_node_local.yml
index f24e2d5..b239652 100644
--- a/group_vars/aws_node_local.yml
+++ b/group_vars/aws_node_local.yml
@@ -132,7 +132,7 @@ atl_proxy_port:  "{{ lookup('env', 'ATL_TOMCAT_PROXYPORT') }}"
 atl_tomcat_port: "{{ lookup('env', 'ATL_TOMCAT_DEFAULTCONNECTORPORT') or '8080' }}"
 atl_ssl_proxy: "{{ lookup('env', 'ATL_SSL_PROXY') or 'false' }}"
 atl_apptunnel_port: "{{ lookup('env', 'ATL_APPTUNNEL_PORT') or '' }}"
-atl_hostedzone: "{{ lookup('env', 'ATL_HOSTEDZONE') or '' | regex_replace('\\.$') }}"
+atl_hostedzone: "{{ (lookup('env', 'ATL_HOSTEDZONE') or '') | regex_replace('[.]$') }}"
 
 atl_tomcat_acceptcount: "{{ lookup('env', 'ATL_TOMCAT_ACCEPTCOUNT') or '10' }}"
 atl_tomcat_connectiontimeout: "{{ lookup('env', 'ATL_TOMCAT_CONNECTIONTIMEOUT') or '20000' }}"