diff --git a/libethereum/PeerServer.cpp b/libethereum/PeerServer.cpp
index cd5ceaad4..71a80a90b 100644
--- a/libethereum/PeerServer.cpp
+++ b/libethereum/PeerServer.cpp
@@ -397,7 +397,7 @@ bool PeerServer::havePeer(Public _id) const
 		else
 			i = m_peers.erase(i);
 
-	return m_peers.count(_id);
+	return !!m_peers.count(_id);
 }
 
 bool PeerServer::ensureInitialised(TransactionQueue& _tq)