diff --git a/include/transport/conversationmanager.h b/include/transport/conversationmanager.h
index fd56f877..487e000a 100644
--- a/include/transport/conversationmanager.h
+++ b/include/transport/conversationmanager.h
@@ -58,6 +58,8 @@ class ConversationManager {
 		/// \param name legacy network name.
 		/// \return Conversation or NULL.
 		Conversation *getConversation(const std::string &name) {
+			if (m_convs.find(name) == m_convs.end())
+				return NULL;
 			return m_convs[name];
 		}
 
diff --git a/src/networkpluginserver.cpp b/src/networkpluginserver.cpp
index d4d43147..72a1e2bb 100644
--- a/src/networkpluginserver.cpp
+++ b/src/networkpluginserver.cpp
@@ -889,7 +889,7 @@ void NetworkPluginServer::sendPing(Backend *c) {
 
 	send(c->connection, message);
 	c->pongReceived = false;
-	LOG4CXX_INFO(logger, "PING to " << c);
+// 	LOG4CXX_INFO(logger, "PING to " << c);
 }
 
 NetworkPluginServer::Backend *NetworkPluginServer::getFreeClient() {