diff --git a/src/dbus/qdbusserver.cpp b/src/dbus/qdbusserver.cpp
index 39d08b4e63..0833134bb3 100644
--- a/src/dbus/qdbusserver.cpp
+++ b/src/dbus/qdbusserver.cpp
@@ -105,7 +105,7 @@ QDBusServer::~QDBusServer()
         }
         d->serverConnectionNames.clear();
     }
-    d->serverObject = nullptr;
+    d->serverObject = Q_NULLPTR;
     d->ref.store(0);
     d->deleteLater();
 }