diff --git a/app/backend/autoupdatechecker.cpp b/app/backend/autoupdatechecker.cpp
index 7db57334..6d607beb 100644
--- a/app/backend/autoupdatechecker.cpp
+++ b/app/backend/autoupdatechecker.cpp
@@ -68,7 +68,12 @@ void AutoUpdateChecker::handleUpdateCheckRequestFinished(QNetworkReply* reply)
 
     if (reply->error() == QNetworkReply::NoError) {
         QTextStream stream(reply);
+
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+        stream.setEncoding(QStringConverter::Utf8);
+#else
         stream.setCodec("UTF-8");
+#endif
 
         // Read all data and queue the reply for deletion
         QString jsonString = stream.readAll();
diff --git a/app/backend/nvhttp.cpp b/app/backend/nvhttp.cpp
index db6d7c56..6c50004d 100644
--- a/app/backend/nvhttp.cpp
+++ b/app/backend/nvhttp.cpp
@@ -414,7 +414,13 @@ NvHTTP::openConnectionToString(QUrl baseUrl,
     QString ret;
 
     QTextStream stream(reply);
+
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+    stream.setEncoding(QStringConverter::Utf8);
+#else
     stream.setCodec("UTF-8");
+#endif
+
     ret = stream.readAll();
     delete reply;