diff --git a/src/WebSockets.cpp b/src/WebSockets.cpp
index 694aec2..2d3a254 100644
--- a/src/WebSockets.cpp
+++ b/src/WebSockets.cpp
@@ -750,7 +750,7 @@ void WebSockets::handleHBTimeout(WSclient_t * client) {
                 client->pongTimeoutCount++;
                 client->lastPing = millis() - client->pingInterval - 500;    // force ping on the next run
 
-                DEBUG_WEBSOCKETS("[HBtimeout] pong TIMEOUT! lp=%d millis=%d pi=%d count=%d\n", client->lastPing, millis(), pi, client->pongTimeoutCount);
+                DEBUG_WEBSOCKETS("[HBtimeout] pong TIMEOUT! lp=%d millis=%lu pi=%d count=%d\n", client->lastPing, millis(), pi, client->pongTimeoutCount);
 
                 if(client->disconnectTimeoutCount && client->pongTimeoutCount >= client->disconnectTimeoutCount) {
                     DEBUG_WEBSOCKETS("[HBtimeout] count=%d, DISCONNECTING\n", client->pongTimeoutCount);
diff --git a/src/WebSocketsServer.cpp b/src/WebSocketsServer.cpp
index 4a0b413..e11e1cf 100644
--- a/src/WebSocketsServer.cpp
+++ b/src/WebSocketsServer.cpp
@@ -655,7 +655,7 @@ void WebSocketsServer::handleNewClients(void) {
 #endif
 
         // store new connection
-        WEBSOCKETS_NETWORK_CLASS * tcpClient = new WEBSOCKETS_NETWORK_CLASS(_server->available());
+        WEBSOCKETS_NETWORK_CLASS * tcpClient = new WEBSOCKETS_NETWORK_CLASS(_server->accept());
         if(!tcpClient) {
             DEBUG_WEBSOCKETS("[WS-Client] creating Network class failed!");
             return;