diff --git a/src/mdnsd-publicservice.cpp b/src/mdnsd-publicservice.cpp
--- a/src/mdnsd-publicservice.cpp
+++ b/src/mdnsd-publicservice.cpp
@@ -160,7 +160,7 @@
     TXTRecordCreate(&txt, 0, 0);
     QMap<QString, QByteArray>::ConstIterator itEnd = d->m_textData.cend();
     for (QMap<QString, QByteArray>::ConstIterator it = d->m_textData.cbegin(); it != itEnd; ++it) {
-        if (TXTRecordSetValue(&txt, it.key().toUtf8(), it.value().length(), it.value()) != kDNSServiceErr_NoError) {
+        if (TXTRecordSetValue(&txt, it.key().toUtf8().constData(), it.value().length(), it.value().data()) != kDNSServiceErr_NoError) {
             TXTRecordDeallocate(&txt);
             emit published(false);
             return;
@@ -171,7 +171,7 @@
     Q_FOREACH (const QString &subtype, d->m_subtypes) {
         fullType += ',' + subtype;
     }
-    if (DNSServiceRegister(&ref, 0, 0, d->m_serviceName.toUtf8(), fullType.toLatin1().constData(), domainToDNS(d->m_domain), NULL,
+    if (DNSServiceRegister(&ref, 0, 0, d->m_serviceName.toUtf8().constData(), fullType.toLatin1().constData(), domainToDNS(d->m_domain).constData(), NULL,
                            htons(d->m_port), TXTRecordGetLength(&txt), TXTRecordGetBytesPtr(&txt), publish_callback,
                            reinterpret_cast<void *>(d)) == kDNSServiceErr_NoError) {
         d->setRef(ref);
diff --git a/src/mdnsd-remoteservice.cpp b/src/mdnsd-remoteservice.cpp
--- a/src/mdnsd-remoteservice.cpp
+++ b/src/mdnsd-remoteservice.cpp
@@ -82,8 +82,8 @@
     d->m_resolved = false;
     //qDebug() << this << ":Starting resolve of : " << d->m_serviceName << " " << d->m_type << " " << d->m_domain << "\n";
     DNSServiceRef ref;
-    if (DNSServiceResolve(&ref, 0, 0, d->m_serviceName.toUtf8(), d->m_type.toLatin1().constData(),
-                          domainToDNS(d->m_domain), (DNSServiceResolveReply)resolve_callback, reinterpret_cast<void *>(d))
+    if (DNSServiceResolve(&ref, 0, 0, d->m_serviceName.toUtf8().constData(), d->m_type.toLatin1().constData(),
+                          domainToDNS(d->m_domain).constData(), (DNSServiceResolveReply)resolve_callback, reinterpret_cast<void *>(d))
             == kDNSServiceErr_NoError) {
         d->setRef(ref);
     }
diff --git a/src/mdnsd-servicebrowser.cpp b/src/mdnsd-servicebrowser.cpp
--- a/src/mdnsd-servicebrowser.cpp
+++ b/src/mdnsd-servicebrowser.cpp
@@ -100,7 +100,7 @@
         fullType = d->m_subtype + "._sub." + d->m_type;
     }
     if (DNSServiceBrowse(&ref, 0, 0, fullType.toLatin1().constData(),
-                         domainToDNS(d->m_domain), query_callback, reinterpret_cast<void *>(d))
+                         domainToDNS(d->m_domain).constData(), query_callback, reinterpret_cast<void *>(d))
             == kDNSServiceErr_NoError) {
         d->setRef(ref);
     }