diff --git a/apps/7x7dotsclock/7x7dotsclock.app.js b/apps/7x7dotsclock/7x7dotsclock.app.js
index aa174b2d2..1626634fb 100644
--- a/apps/7x7dotsclock/7x7dotsclock.app.js
+++ b/apps/7x7dotsclock/7x7dotsclock.app.js
@@ -269,7 +269,7 @@ function actions(v){
 }
 
 // Get Messages status
-var messages = require("Storage").readJSON("messages.json",1)||[];
+var messages_installed = require("Storage").list(/^messages$/).length > 0;
 
 //var BTconnected = NRF.getSecurityStatus().connected;
 //NRF.on('connect',BTconnected = NRF.getSecurityStatus().connected);
@@ -318,7 +318,7 @@ function drawWidgeds() {
   var x2M = x1M + 25;
   var y2M = y2B;
 
-  if (messages.some(m=>m.new)) {
+  if (messages_installed && require("messages").status() == "new") {
     g.setColor(g.theme.fg);
     g.fillRect(x1M,y1M,x2M,y2M);
     g.setColor(g.theme.bg);
diff --git a/apps/7x7dotsclock/ChangeLog b/apps/7x7dotsclock/ChangeLog
index d2c98a472..5e8e48b0b 100644
--- a/apps/7x7dotsclock/ChangeLog
+++ b/apps/7x7dotsclock/ChangeLog
@@ -1,2 +1,3 @@
 0.01: Initial version for upload
-0.02: better theme support, configurable colors, small improvements
+0.02: Better theme support, configurable colors, small improvements
+0.03: Use `messages` library to check for new messages
\ No newline at end of file
diff --git a/apps/7x7dotsclock/metadata.json b/apps/7x7dotsclock/metadata.json
index 41f0836d3..ba1996544 100644
--- a/apps/7x7dotsclock/metadata.json
+++ b/apps/7x7dotsclock/metadata.json
@@ -1,7 +1,7 @@
 { "id": "7x7dotsclock",
   "name": "7x7 Dots Clock",
   "shortName":"7x7 Dots Clock",
-  "version":"0.02",
+  "version":"0.03",
   "description": "A clock with a big 7x7 dots Font",
   "icon": "dotsfontclock.png",
   "tags": "clock",