diff --git a/transmission-trackers.py b/transmission-trackers.py
index 01a9d30..3a5e8c6 100755
--- a/transmission-trackers.py
+++ b/transmission-trackers.py
@@ -21,6 +21,11 @@
   # If empty - will affect all torrents
   'status_filter': (),
 
+  # Ignore torrents that contain any of these trackers.
+  # This is useful, e.g., for excluding torrents from private trackers.
+  # trackers are matched by substring, so you can cover https://my.site/announce with just my.site
+  'tracker_filter': [],
+
   # A list of URLs where to get the tracker lists from.
   # The lists are combined into one with duplicates removed.
   # The trackers from these lists are checked by looking up the URL's hostname in DNS.
@@ -248,6 +253,10 @@ def readLocalLists():
   for trk in t.trackers:
     ttrk.add(getattr(trk, 'fields', trk).get('announce'))
 
+  if any(tracker in url for url in ttrk for tracker in config['tracker_filter']):
+    dbg('{}: skipping due to tracker filter'.format(t.name))
+    continue
+
   diff = trackers - ttrk
 
   if diff: