diff --git a/apps/widpedom/widget.js b/apps/widpedom/widget.js
index 3c861cf54..0ec0780c9 100644
--- a/apps/widpedom/widget.js
+++ b/apps/widpedom/widget.js
@@ -53,7 +53,7 @@
   E.on('kill', () => {
     if (!settings) { loadSettings() }
     let d = {
-      lastUpdate : lastUpdate.toISOString(),
+      lastUpdate : lastUpdate.valueOf(),
       stepsToday : stp_today,
       settings   : settings,
     };
diff --git a/core b/core
index 2a8e872ec..b033af017 160000
--- a/core
+++ b/core
@@ -1 +1 @@
-Subproject commit 2a8e872ecb143a10e53273b4d3473164e104e1d3
+Subproject commit b033af017f6789a6a7777e6ef1428d94995a9b8b