diff --git a/src/backups.js b/src/backups.js
index a373699f5..a6ee0d2ed 100644
--- a/src/backups.js
+++ b/src/backups.js
@@ -792,12 +792,12 @@ function backupBoxAndApps(auditSource, callback) {
 
             progress.set(progress.BACKUP, step * processed, 'Backing up system data');
 
-            backupBoxWithAppBackupIds(backupIds, timestamp, function (error, filename) {
+            backupBoxWithAppBackupIds(backupIds, timestamp, function (error, backupId) {
                 progress.set(progress.BACKUP, 100, error ? error.message : '');
 
-                eventlog.add(eventlog.ACTION_BACKUP_FINISH, auditSource, { errorMessage: error ? error.message : null, filename: filename });
+                eventlog.add(eventlog.ACTION_BACKUP_FINISH, auditSource, { errorMessage: error ? error.message : null, backupId: backupId, timestamp: timestamp });
 
-                callback(error, filename);
+                callback(error, backupId);
             });
         });
     });
diff --git a/src/mail_templates/digest.ejs b/src/mail_templates/digest.ejs
index 8f4cc6581..ca1c037e6 100644
--- a/src/mail_templates/digest.ejs
+++ b/src/mail_templates/digest.ejs
@@ -47,7 +47,7 @@ The following apps were updated:
 <% }}} -%>
 <% if (info.finishedBackups.length) { -%>
 
-Last successful backup: <%- info.finishedBackups[0].filename %>
+Last successful backup: <%- info.finishedBackups[0].backupId || info.finishedBackups[0].filename %>
 <% } else { -%>
 
 This Cloudron did **not** backup successfully in the last week!
@@ -152,7 +152,7 @@ Sent at: <%= new Date().toUTCString() %>
     <% } %>
 
     <% if (info.finishedBackups.length) { %>
-        <p><b>Last successful backup : </b> <%= info.finishedBackups[0].filename %> </p>
+        <p><b>Last successful backup : </b> <%= info.finishedBackups[0].backupId || info.finishedBackups[0].filename %> </p>
     <% } else { %>
         <p><b>This Cloudron did not backup successfully in the last week!</b></p>
     <% } %>