diff --git a/charts/nginz/templates/conf/_nginx.conf.tpl b/charts/nginz/templates/conf/_nginx.conf.tpl
index 14e10ec1571..58cade243b0 100644
--- a/charts/nginz/templates/conf/_nginx.conf.tpl
+++ b/charts/nginz/templates/conf/_nginx.conf.tpl
@@ -126,7 +126,7 @@ http {
   map $http_origin $cors_header {
       default "";
     {{ range $origin := .Values.nginx_conf.allowlisted_origins }}
-      "https://{{ $origin }}.{{ $.Values.nginx_conf.external_env_domain}} "$http_origin";
+      "https://{{ $origin }}.{{ $.Values.nginx_conf.external_env_domain}}" "$http_origin";
     {{ end }}
   }