diff --git a/libp2p/Host.cpp b/libp2p/Host.cpp
index baa7ca6e9..410699a55 100644
--- a/libp2p/Host.cpp
+++ b/libp2p/Host.cpp
@@ -143,7 +143,7 @@ void Host::stop()
 
 unsigned Host::protocolVersion() const
 {
-	return 0;
+	return 1;
 }
 
 void Host::registerPeer(std::shared_ptr<Session> _s, CapDescs const& _caps)