diff --git a/apps/sleeplog/ChangeLog b/apps/sleeplog/ChangeLog
index 5560f00bc..7dee1a116 100644
--- a/apps/sleeplog/ChangeLog
+++ b/apps/sleeplog/ChangeLog
@@ -1 +1,2 @@
 0.01: New App!
+0.02: Fix crash on start
diff --git a/apps/sleeplog/boot.js b/apps/sleeplog/boot.js
index 7ec71742c..883e497a5 100644
--- a/apps/sleeplog/boot.js
+++ b/apps/sleeplog/boot.js
@@ -90,7 +90,10 @@ if (global.sleeplog.enabled) {
       var storage = require("Storage");
 
       // read previous logfile
-      var log = JSON.parse(atob(storage.read(this.logfile)));
+      var logContent = storage.read(this.logfile) || "";
+
+      // parse previous logfile
+      var log = JSON.parse(logContent.length > 0 ? atob(logContent) : "[]") ;
 
       // remove last state if it was unknown and is less then 10min ago
       if (log.length > 0 && log[0][1] === 0 &&
diff --git a/apps/sleeplog/metadata.json b/apps/sleeplog/metadata.json
index 4a67af301..f4590f7c0 100644
--- a/apps/sleeplog/metadata.json
+++ b/apps/sleeplog/metadata.json
@@ -2,7 +2,7 @@
   "id":"sleeplog",
   "name":"Sleep Log",
   "shortName": "SleepLog",
-  "version": "0.01",
+  "version": "0.02",
   "description": "Log and view your sleeping habits. This app derived from SleepPhaseAlarm and uses also the principe of Estimation of Stationary Sleep-segments (ESS).",
   "icon": "app.png",
   "type": "app",