2 files changed, 6 insertions, 2 deletions
diff --git a/src/ivicore/qivipendingreply.h b/src/ivicore/qivipendingreply.h
index 5536e75..e0b5aeb 100644
--- a/src/ivicore/qivipendingreply.h
+++ b/src/ivicore/qivipendingreply.h
@@ -98,6 +98,8 @@ public:
     QIviPendingReplyBase() = default;
     QIviPendingReplyBase(const QIviPendingReplyBase & other);
     ~QIviPendingReplyBase() = default;
+    QIviPendingReplyBase& operator=(const QIviPendingReplyBase&) = default;
+    QIviPendingReplyBase& operator=(QIviPendingReplyBase&&) = default;
 
     QIviPendingReplyWatcher* watcher() const;
     QVariant value() const;
diff --git a/src/ivicore/qiviservicemanager.cpp b/src/ivicore/qiviservicemanager.cpp
index ea6f150..606c236 100644
--- a/src/ivicore/qiviservicemanager.cpp
+++ b/src/ivicore/qiviservicemanager.cpp
@@ -304,13 +304,15 @@ void QIviServiceManagerPrivate::addBackend(Backend *backend)
 
     const QString newBackendFile = backend->metaData.value(fileNameLiteral).toString();
     const QString newBackendFileBase = qtivi_helper::backendBaseName(newBackendFile);
-    const QSet<QString> newInterfaces = backend->metaData.value(interfacesLiteral).toStringList().toSet();
+    const QStringList ifaceList = backend->metaData.value(interfacesLiteral).toStringList();
+    const QSet<QString> newInterfaces = QSet<QString>(ifaceList.begin(), ifaceList.end());
 
     bool addBackend = true;
     if (!newBackendFile.isEmpty()) {
         for (int i = 0; i < m_backends.count(); i++) {
             Backend *b = m_backends[i];
-            const QSet<QString> interfaces = b->metaData.value(interfacesLiteral).toStringList().toSet();
+            const QStringList curIfaceList = backend->metaData.value(interfacesLiteral).toStringList();
+            const QSet<QString> interfaces = QSet<QString>(curIfaceList.begin(), curIfaceList.end());
             if (interfaces == newInterfaces && b->name == backend->name) {
                 const QString fileName = b->metaData.value(fileNameLiteral).toString();
                 if (fileName == newBackendFile) {