diff --git a/controllers/nginx/rootfs/etc/nginx/template/nginx.tmpl b/controllers/nginx/rootfs/etc/nginx/template/nginx.tmpl
index dd44aa621..7e49234b8 100644
--- a/controllers/nginx/rootfs/etc/nginx/template/nginx.tmpl
+++ b/controllers/nginx/rootfs/etc/nginx/template/nginx.tmpl
@@ -240,7 +240,7 @@ http {
         {{ end }}
 
         {{ if (and (not (empty $server.SSLCertificate)) $cfg.HSTS) }}
-        more_set_headers                        "Strict-Transport-Security: max-age={{ $cfg.HSTSMaxAge }}{{ if $cfg.HSTSIncludeSubdomains }}; includeSubDomains{{ end }}; {{ if $cfg.HSTSPreload }}preload{{ end }}";
+        more_set_headers                        "Strict-Transport-Security: max-age={{ $cfg.HSTSMaxAge }}{{ if $cfg.HSTSIncludeSubdomains }}; includeSubDomains{{ end }};{{ if $cfg.HSTSPreload }} preload{{ end }}";
         {{ end }}
 
         {{ if $cfg.EnableVtsStatus }}vhost_traffic_status_filter_by_set_key $geoip_country_code country::$server_name;{{ end }}