diff --git a/stepmania/src/NetworkSyncServer.cpp b/stepmania/src/NetworkSyncServer.cpp
index 20b480f6e5..9ef68ba282 100644
--- a/stepmania/src/NetworkSyncServer.cpp
+++ b/stepmania/src/NetworkSyncServer.cpp
@@ -10,6 +10,7 @@ void StepManiaLanServer::ServerStop() { }
 void StepManiaLanServer::ServerUpdate() { }
 StepManiaLanServer::StepManiaLanServer() { }
 StepManiaLanServer::~StepManiaLanServer() { }
+bool StepManiaLanServer::IsBanned(in_addr &ip) {}
 #else
 
 LanPlayer::LanPlayer()