diff --git a/owncloud/nginx.conf b/owncloud/nginx.conf
index 369d175..9f53b05 100644
--- a/owncloud/nginx.conf
+++ b/owncloud/nginx.conf
@@ -14,7 +14,7 @@ http {
 
     access_log off;
     error_log /var/log/nginx/error.log error;
-    add_header Strict-Transport-Security "max-age=15552000; includeSubdomains; prel$
+    add_header Strict-Transport-Security "max-age=15552000; includeSubdomains; preload;";
     add_header X-Frame-Options SAMEORIGIN;
     add_header X-Content-Type-Options nosniff;
     add_header X-XSS-Protection "1; mode=block";