diff --git a/roles/torrent/files/opentracker-ipv6.conf b/roles/torrent/files/opentracker-ipv6.conf
index ca523d9029..49b01e12c0 100644
--- a/roles/torrent/files/opentracker-ipv6.conf
+++ b/roles/torrent/files/opentracker-ipv6.conf
@@ -7,7 +7,7 @@
 #      If no listen option is given (here or on the command line), opentracker
 #      listens on 0.0.0.0:6969 tcp and udp.
 #
-listen.tcp_udp [2600:2701:4000:5211:dead:beef:00fe:fed7]:6969
+listen.tcp_udp [2600:2701:4000:5211:dead:beef:fe:fed7/104]:6969
 # listen.tcp_udp 192.168.0.1:80
 # listen.tcp_udp 10.0.0.5:6969
 #