diff --git a/libtransmission/peer-mgr.cc b/libtransmission/peer-mgr.cc
index 1ba9cc69a..33803f25f 100644
--- a/libtransmission/peer-mgr.cc
+++ b/libtransmission/peer-mgr.cc
@@ -1173,6 +1173,11 @@ private:
             for (auto* const peer : tor->swarm->peers)
             {
                 peer->peer_info->set_blocklisted_dirty();
+                if (peer->peer_info->is_blocklisted(blocklists_))
+                {
+                    peer->disconnect_soon();
+                    tr_logAddDebugTor(tor, fmt::format("Peer {} blocked in blocklists update", peer->display_name()));
+                }
             }
         }
     }