diff --git a/src/WebSocketsClient.cpp b/src/WebSocketsClient.cpp
index e3519c8..562a661 100644
--- a/src/WebSocketsClient.cpp
+++ b/src/WebSocketsClient.cpp
@@ -784,8 +784,10 @@ void WebSocketsClient::handleHeader(WSclient_t * client, String * headerLine) {
                     if(client->isSocketIO) {
                         break;
                     }
+                    // falls through
                 case 403:    ///< Forbidden
                     // todo handle login
+                    // falls through
                 default:    ///< Server dont unterstand requrst
                     ok = false;
                     DEBUG_WEBSOCKETS("[WS-Client][handleHeader] serverCode is not 101 (%d)\n", client->cCode);