diff --git a/config.json.example b/config.json.example
index fe8c810..cb2bf3a 100644
--- a/config.json.example
+++ b/config.json.example
@@ -20,7 +20,7 @@
         "loglevel": "info",
         "hsts": {
             "enable": true,
-            "maxAgeSeconds": "31536000",
+            "maxAgeSeconds": 31536000,
             "includeSubdomains": true,
             "preload": true
         },