diff --git a/config.example.py b/config.example.py
index c4f1d63..00f88e5 100644
--- a/config.example.py
+++ b/config.example.py
@@ -43,7 +43,9 @@ MAX_FILES_VIEW = 1000
 # Setting to make sure main announce url is present in torrent
 #
 ENFORCE_MAIN_ANNOUNCE_URL = False
-MAIN_ANNOUNCE_URL = ''
+MAIN_ANNOUNCE_URL = 'http://127.0.0.1:6881/announce'
+TRACKER_API_URL = 'http://127.0.0.1:6881/api'
+TRACKER_API_AUTH = 'topsecret'
 
 BACKUP_TORRENT_FOLDER = 'torrents'
 
diff --git a/nyaa/backend.py b/nyaa/backend.py
index e777e23..2b8c1f8 100644
--- a/nyaa/backend.py
+++ b/nyaa/backend.py
@@ -1,6 +1,8 @@
 import json
 import os
 from ipaddress import ip_address
+from urllib.parse import urlencode
+from urllib.request import urlopen
 
 import flask
 from werkzeug import secure_filename
@@ -211,3 +213,25 @@ def handle_torrent_upload(upload_form, uploading_user=None, fromAPI=False):
     torrent_file.close()
 
     return torrent
+
+
+def tracker_api(info_hashes, method):
+    url = app.config.get('TRACKER_API_URL')
+    if not url:
+        return False
+
+    qs = []
+    qs.append(('auth', app.config.get('TRACKER_API_AUTH')))
+    qs.append(('method', method))
+
+    for infohash in info_hashes:
+        qs.append(('info_hash', infohash))
+
+    qs = urlencode(qs)
+    url += '?' + qs
+    try:
+        req = urlopen(url)
+    except:
+        return False
+
+    return req.status == 200
diff --git a/nyaa/views/torrents.py b/nyaa/views/torrents.py
index 365ad05..7dc2c26 100644
--- a/nyaa/views/torrents.py
+++ b/nyaa/views/torrents.py
@@ -179,23 +179,27 @@ def delete_torrent(torrent_id):
         db.session.add(torrent)
 
     elif form.ban.data and not torrent.banned and editor.is_moderator:
+        action = 'banned'
         torrent.banned = True
         if not torrent.deleted:
             torrent.deleted = True
             action = 'deleted and banned'
-        else:
-            action = 'banned'
+        backend.tracker_api([torrent.info_hash], 'ban')
         db.session.add(torrent)
 
     elif form.undelete.data and torrent.deleted:
         action = 'undeleted'
         torrent.deleted = False
-        torrent.banned = False
+        if torrent.banned:
+            action = 'undeleted and unbanned'
+            torrent.banned = False
+            backend.tracker_api([torrent.info_hash], 'unban')
         db.session.add(torrent)
 
     elif form.unban.data and torrent.banned:
         action = 'unbanned'
         torrent.banned = False
+        backend.tracker_api([torrent.info_hash], 'unban')
         db.session.add(torrent)
 
     if not action: