diff --git a/src/qml/experimental/monitor.cpp b/src/qml/experimental/monitor.cpp
--- a/src/qml/experimental/monitor.cpp
+++ b/src/qml/experimental/monitor.cpp
@@ -76,17 +76,22 @@
 
 void Monitor::newFile(const QString& filePath)
 {
+    QDBusPendingReply<uint> batchSize = m_scheduler->getBatchSize();
+
     if (m_totalFiles == 0) {
         fetchTotalFiles();
     }
     m_filePath = filePath;
     if (++m_filesIndexed == m_totalFiles) {
         m_filePath = QStringLiteral("Done");
     }
     Q_EMIT newFileIndexed();
+    batchSize.waitForFinished();
 
-    if (m_filesIndexed % (m_scheduler->getBatchSize() * 5) == 0) {
-        updateRemainingTime();
+    if (!batchSize.isError()) {
+        if (m_filesIndexed % (batchSize * 5) == 0) {
+            updateRemainingTime();
+        }
     }
 }