diff --git a/src/Mod/Web/App/Server.cpp b/src/Mod/Web/App/Server.cpp
index f1ece0d26d..e9b17722db 100644
--- a/src/Mod/Web/App/Server.cpp
+++ b/src/Mod/Web/App/Server.cpp
@@ -136,7 +136,7 @@ void AppServer::incomingConnection(qintptr socket)
 
 void AppServer::readClient()
 {
-    QTcpSocket* socket = (QTcpSocket*)sender();
+    QTcpSocket* socket = static_cast<QTcpSocket*>(sender());
     if (socket->bytesAvailable() > 0) {
         QByteArray request = socket->readAll();
         std::unique_ptr<ServerEvent> event(std::make_unique<ServerEvent>(socket, request));
@@ -155,7 +155,7 @@ void AppServer::readClient()
 
 void AppServer::discardClient()
 {
-    QTcpSocket* socket = (QTcpSocket*)sender();
+    QTcpSocket* socket = static_cast<QTcpSocket*>(sender());
     socket->deleteLater();
 }