diff --git a/src/server/worker_task.rs b/src/server/worker_task.rs
index 2ce71136..4a4406e1 100644
--- a/src/server/worker_task.rs
+++ b/src/server/worker_task.rs
@@ -1,6 +1,6 @@
 use std::collections::HashMap;
 use std::fs::File;
-use std::io::{Read, BufRead, BufReader};
+use std::io::{Read, Write, BufRead, BufReader};
 use std::panic::UnwindSafe;
 use std::sync::atomic::{AtomicBool, Ordering};
 use std::sync::{Arc, Mutex};
@@ -32,6 +32,7 @@ pub const PROXMOX_BACKUP_TASK_DIR: &str = PROXMOX_BACKUP_TASK_DIR_M!();
 pub const PROXMOX_BACKUP_TASK_LOCK_FN: &str = concat!(PROXMOX_BACKUP_TASK_DIR_M!(), "/.active.lock");
 pub const PROXMOX_BACKUP_ACTIVE_TASK_FN: &str = concat!(PROXMOX_BACKUP_TASK_DIR_M!(), "/active");
 pub const PROXMOX_BACKUP_INDEX_TASK_FN: &str = concat!(PROXMOX_BACKUP_TASK_DIR_M!(), "/index");
+pub const PROXMOX_BACKUP_ARCHIVE_TASK_FN: &str = concat!(PROXMOX_BACKUP_TASK_DIR_M!(), "/archive");
 
 const MAX_INDEX_TASKS: usize = 1000;
 
@@ -407,6 +408,19 @@ fn update_active_workers(new_upid: Option<&UPID>) -> Result<Vec<TaskListInfo>, E
             .group(backup_user.gid),
     )?;
 
+    if !finish_list.is_empty() && start > 0 {
+        match std::fs::OpenOptions::new().append(true).create(true).open(PROXMOX_BACKUP_ARCHIVE_TASK_FN) {
+            Ok(mut writer) => {
+                for info in &finish_list[0..start] {
+                    writer.write_all(render_task_line(&info).as_bytes())?;
+                }
+            },
+            Err(err) => bail!("could not write task archive - {}", err),
+        }
+
+        nix::unistd::chown(PROXMOX_BACKUP_ARCHIVE_TASK_FN, Some(backup_user.uid), Some(backup_user.gid))?;
+    }
+
     drop(lock);
 
     finish_list.append(&mut active_list);