diff --git a/commandpanel.cpp b/commandpanel.cpp
--- a/commandpanel.cpp
+++ b/commandpanel.cpp
@@ -32,6 +32,10 @@ CommandPanel::CommandPanel(QSerialPort* 
     ui->setupUi(this);
     ui->scrollAreaWidgetContents->setLayout(new QVBoxLayout);
 
+#ifdef Q_OS_WIN
+    ui->pbNew->setIcon(QIcon(":/icons/list-add"));
+#endif // Q_OS_WIN
+
     connect(ui->pbNew, &QPushButton::clicked, this, &CommandPanel::newCommand);
 
     newCommand(); // add an empty slot by default