diff --git a/src/p2p_server.cpp b/src/p2p_server.cpp
index 58e0bbf..7761bbc 100644
--- a/src/p2p_server.cpp
+++ b/src/p2p_server.cpp
@@ -2317,7 +2317,7 @@ void P2PServer::P2PClient::on_peer_list_response(const uint8_t* buf)
 
 				// Check for protocol version message
 				if ((*reinterpret_cast<uint32_t*>(ip.data + 12) == 0xFFFFFFFFU) && (port == 0xFFFF)) {
-					m_protocolVersion = *reinterpret_cast<uint32_t*>(ip.data);
+					m_protocolVersion = std::min(*reinterpret_cast<uint32_t*>(ip.data), SUPPORTED_PROTOCOL_VERSION);
 					m_SoftwareVersion = *reinterpret_cast<uint32_t*>(ip.data + 4);
 					m_SoftwareID = *reinterpret_cast<uint32_t*>(ip.data + 8);
 					LOGINFO(5, "peer " << log::Gray() << static_cast<char*>(m_addrString) << log::NoColor()