diff --git a/src/libsync/networkjobs.cpp b/src/libsync/networkjobs.cpp
index 1cde1a2c15a00..020e163431ac5 100644
--- a/src/libsync/networkjobs.cpp
+++ b/src/libsync/networkjobs.cpp
@@ -999,8 +999,10 @@ bool JsonApiJob::finished()
     }
 
     // save new ETag value
-    if(reply()->rawHeaderList().contains("ETag"))
-        emit etagResponseHeaderReceived(reply()->rawHeader("ETag"), statusCode);
+    auto etagHeader = reply()->header(QNetworkRequest::ETagHeader);
+    if (etagHeader.isValid()) {
+        emit etagResponseHeaderReceived(etagHeader.toByteArray(), statusCode);
+    }
 
     QJsonParseError error{};
     auto json = QJsonDocument::fromJson(jsonStr.toUtf8(), &error);