diff --git a/src/public/index.html b/src/public/index.html
index 63b9c6b..2550640 100644
--- a/src/public/index.html
+++ b/src/public/index.html
@@ -1521,7 +1521,7 @@
 
     function getConfigNodesOfflineAgeInSeconds() {
         const value = localStorage.getItem("config_nodes_offline_age_in_seconds");
-        return value != null ? parseInt(value) : null;
+        return value != null ? parseInt(value) : 10800;
     }
 
     function setConfigNodesOfflineAgeInSeconds(value) {