diff --git a/src/p2p_server.cpp b/src/p2p_server.cpp
index c659d66..0163290 100644
--- a/src/p2p_server.cpp
+++ b/src/p2p_server.cpp
@@ -1434,7 +1434,7 @@ void P2PServer::P2PClient::reset()
 
 bool P2PServer::P2PClient::on_connect()
 {
-	P2PServer* server = static_cast<P2PServer*>(m_owner);
+	const P2PServer* server = static_cast<P2PServer*>(m_owner);
 
 	if (!server) {
 		return false;