diff --git a/apps/mtnclock/app.js b/apps/mtnclock/app.js
index 996fe2cee..c6adc7706 100644
--- a/apps/mtnclock/app.js
+++ b/apps/mtnclock/app.js
@@ -344,7 +344,7 @@ global.GB = (event) => {
       code: event.code,
       time: Date.now()
     };
-    require("Storage").write('mtnclock.json', event);
+    require("Storage").writeJSON('mtnclock.json', data);
     setWeather();
   }
   if (_GB) setTimeout(_GB, 0, event);