diff --git a/libraries/script-engine/src/WebSocketServerClass.cpp b/libraries/script-engine/src/WebSocketServerClass.cpp
index 9fc060e61c..dbe92510e4 100644
--- a/libraries/script-engine/src/WebSocketServerClass.cpp
+++ b/libraries/script-engine/src/WebSocketServerClass.cpp
@@ -41,7 +41,7 @@ QScriptValue WebSocketServerClass::constructor(QScriptContext* context, QScriptE
         }
     }
     auto webSocketServerClass = new WebSocketServerClass(engine, serverName, port);
-    connect(engine, SIGNAL(finished(const QString&)), webSocketServerClass, SLOT(deleteLater()));
+    connect(static_cast<ScriptEngine*>(engine), &ScriptEngine::finished, webSocketServerClass, &QObject::deleteLater);
     return engine->newQObject(webSocketServerClass);
 }