diff --git a/src/js/index.js b/src/js/index.js
index 1fd9fe214..a722827d7 100644
--- a/src/js/index.js
+++ b/src/js/index.js
@@ -428,7 +428,6 @@ app.filter('eventLogSource', ['Client', function (Client) {
 app.filter('eventLogDetails', function() {
     // NOTE: if you change this, the CLI tool (cloudron machine eventlog) probably needs fixing as well
     return function(eventLog) {
-        var source = eventLog.source;
         var data = eventLog.data;
         var errorMessage = data.errorMessage;
         var details;
@@ -475,16 +474,16 @@ app.filter('eventLogDetails', function() {
             return 'App ' + data.appId + ' logged in';
 
         case ACTION_APP_OOM:
-            return source.app.manifest.title + ' ran out of memory';
+            return data.app.manifest.title + ' ran out of memory';
 
         case ACTION_APP_DOWN:
-            return source.app.manifest.title + ' is down';
+            return data.app.manifest.title + ' is down';
 
         case ACTION_APP_UP:
-            return source.app.manifest.title + ' is back online';
+            return data.app.manifest.title + ' is back online';
 
         case ACTION_APP_TASK_CRASH:
-            return 'Apptask for app with id ' + source.appId + ' crashed';
+            return 'Apptask for app with id ' + data.appId + ' crashed';
 
         case ACTION_BACKUP_START:
             return 'Backup started';