1 files changed, 5 insertions, 3 deletions
diff --git a/src/platformsupport/themes/genericunix/qgenericunixthemes.cpp b/src/platformsupport/themes/genericunix/qgenericunixthemes.cpp
index eeb03eb958..5eac0a3584 100644
--- a/src/platformsupport/themes/genericunix/qgenericunixthemes.cpp
+++ b/src/platformsupport/themes/genericunix/qgenericunixthemes.cpp
@@ -112,9 +112,11 @@ static bool isDBusTrayAvailable() {
 #ifndef QT_NO_DBUS
 static bool checkDBusGlobalMenuAvailable()
 {
-    QDBusConnection connection = QDBusConnection::sessionBus();
-    QString registrarService = QStringLiteral("com.canonical.AppMenu.Registrar");
-    return connection.interface()->isServiceRegistered(registrarService);
+    const QDBusConnection connection = QDBusConnection::sessionBus();
+    static const QString registrarService = QStringLiteral("com.canonical.AppMenu.Registrar");
+    if (const auto iface = connection.interface())
+        return iface->isServiceRegistered(registrarService);
+    return false;
 }
 
 static bool isDBusGlobalMenuAvailable()