diff --git a/gui/main.cpp b/gui/main.cpp
index d242d03..2d890da 100644
--- a/gui/main.cpp
+++ b/gui/main.cpp
@@ -3,15 +3,43 @@
 #include <QQmlContext>
 #include <QQuickStyle>
 #include <QIcon>
+#include <QPixmap>
+#include <QPainter>
+#include <QFont>
+#include <QFontDatabase>
 
 #include "olliedbusclient.h"
 
+static QIcon makeBrainIcon()
+{
+    // Render FA6 brain glyph (U+F5DC) from the installed font
+    QFont fa("Font Awesome 6 Free Solid");
+    if (!QFontDatabase::hasFamily("Font Awesome 6 Free Solid")) {
+        fa = QFont("Font Awesome 6 Free");
+        fa.setWeight(QFont::Black);
+    }
+
+    QIcon icon;
+    for (int size : {16, 22, 32, 48, 64, 128}) {
+        QPixmap pix(size, size);
+        pix.fill(Qt::transparent);
+        QPainter p(&pix);
+        fa.setPixelSize(size - 2);
+        p.setFont(fa);
+        p.setPen(QColor(200, 200, 200));
+        p.drawText(pix.rect(), Qt::AlignCenter, QString(QChar(0xf5dc)));
+        p.end();
+        icon.addPixmap(pix);
+    }
+    return icon;
+}
+
 int main(int argc, char *argv[])
 {
     QGuiApplication app(argc, argv);
     app.setApplicationName("ollie");
     app.setOrganizationName("ollie");
-    app.setWindowIcon(QIcon::fromTheme("utilities-terminal"));
+    app.setWindowIcon(makeBrainIcon());
 
 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
     QQuickStyle::setStyle("org.kde.desktop");