1 files changed, 5 insertions, 3 deletions
diff --git a/src/network/kernel/qdnslookup.h b/src/network/kernel/qdnslookup.h
index ead5e650f5..eebd0abe66 100644
--- a/src/network/kernel/qdnslookup.h
+++ b/src/network/kernel/qdnslookup.h
@@ -47,6 +47,8 @@
 #include <QtCore/qsharedpointer.h>
 #include <QtCore/qstring.h>
 
+QT_REQUIRE_CONFIG(dnslookup);
+
 QT_BEGIN_NAMESPACE
 
 class QHostAddress;
@@ -218,9 +220,9 @@ public:
     };
     Q_ENUM(Type)
 
-    explicit QDnsLookup(QObject *parent = Q_NULLPTR);
-    QDnsLookup(Type type, const QString &name, QObject *parent = Q_NULLPTR);
-    QDnsLookup(Type type, const QString &name, const QHostAddress &nameserver, QObject *parent = Q_NULLPTR);
+    explicit QDnsLookup(QObject *parent = nullptr);
+    QDnsLookup(Type type, const QString &name, QObject *parent = nullptr);
+    QDnsLookup(Type type, const QString &name, const QHostAddress &nameserver, QObject *parent = nullptr);
     ~QDnsLookup();
 
     Error error() const;