diff --git a/config-example.py b/config-example.py
index 5fb64a9..2d4c646 100644
--- a/config-example.py
+++ b/config-example.py
@@ -17,8 +17,8 @@ PURGE_TIME = 350
 # e.g. ['2620:101::44']
 BANNED_IPS = []
 
-# List of banned servers as IP/port pairs
-# e.g. ['1.2.3.4/30000']
+# List of banned servers as host/port pairs
+# e.g. ['1.2.3.4/30000', 'evil.server.ua/30001']
 BANNED_SERVERS = []
 
 # Creates server entries if a server sends an 'update' and there is no entry yet.
diff --git a/server.py b/server.py
index 9a6e5d1..da98cc0 100755
--- a/server.py
+++ b/server.py
@@ -77,6 +77,8 @@ def announce():
 
 	if "%s/%d" % (server["ip"], server["port"]) in app.config["BANNED_SERVERS"]:
 		return "Banned (Server).", 403
+	elif "address" in server and "%s/%d" % (server["address"], server["port"]) in app.config["BANNED_SERVERS"]:
+		return "Banned (Server).", 403
 
 	old = serverList.get(ip, server["port"])