diff --git a/nginx.tmpl b/nginx.tmpl
index 855e90d..9cf7030 100644
--- a/nginx.tmpl
+++ b/nginx.tmpl
@@ -153,7 +153,9 @@ server {
 	ssl_dhparam {{ printf "/etc/nginx/certs/%s.dhparam.pem" $cert }};
 	{{ end }}
 
+	{{ if ne (coalesce (first (groupByKeys $containers "Env.SKIP_HSTS")) "") "1" }}
 	add_header Strict-Transport-Security "max-age=31536000";
+	{{ end }}
 
 	{{ if (exists (printf "/etc/nginx/vhost.d/%s" $host)) }}
 	include {{ printf "/etc/nginx/vhost.d/%s" $host }};