diff --git a/example-conf.yml b/example-conf.yml
index 393a0d0..5e71e36 100644
--- a/example-conf.yml
+++ b/example-conf.yml
@@ -224,6 +224,11 @@ servers:
         # option on a per network-basis.
         #relay_tag_nicks: true
 
+        # Sets the suffix that relay subservers that this network should use.
+        # If not specified per network, falls back to the value at
+        # relay:server_suffix or "relay" if that is not set.
+        #server_suffix: "relay.yournet.net"
+
     unrealnet:
         ip: ::1
         port: 8067
@@ -652,7 +657,7 @@ relay:
     allow_clientbot_pms: false
 
     # Sets the suffix that relay subservers should use. Defaults to "relay" (as in net1.relay,
-    # net2.relay, etc.) if not specified.
+    # net2.relay, etc.) if not specified. This can also be set per-network.
     #server_suffix: "relay.yournet.net"
 
     # Sets whether Clientbot mode sync will be enabled. Valid options:
diff --git a/plugins/relay.py b/plugins/relay.py
index b5f2339..9a8c08f 100644
--- a/plugins/relay.py
+++ b/plugins/relay.py
@@ -220,7 +220,8 @@ def spawn_relay_server(irc, remoteirc):
         try:
             # ENDBURST is delayed by 3 secs on supported IRCds to prevent
             # triggering join-flood protection and the like.
-            suffix = conf.conf.get('relay', {}).get('server_suffix', 'relay')
+            suffix = irc.serverdata.get('server_suffix', conf.conf.get('relay', {}).get('server_suffix', 'relay'))
+
             # Strip any leading or trailing .'s
             suffix = suffix.strip('.')
             sid = irc.proto.spawnServer('%s.%s' % (remoteirc.name, suffix),