diff --git a/worker.cpp b/worker.cpp
index 85ab721..dcbfb68 100644
--- a/worker.cpp
+++ b/worker.cpp
@@ -165,8 +165,8 @@ Worker::Worker(int customerNr,
 
     // TODO: turn object into singleton
     instance = this;
-
     m_lastFailedUpdateStep = UPDATE_STEP::NONE;
+    m_update = nullptr;
 
     this->setObjectName("worker-object");
     QDir::setCurrent(m_workingDirectory);
@@ -752,7 +752,7 @@ bool Worker::filesToUpdate() {
         }
         m_filesToUpdate.removeDuplicates();
 
-        qCritical() << __PRETTY_FUNCTION__ << "FILES-TO-UPDATE" << m_filesToUpdate;
+        qCritical() << "(" << __func__ << ":" << __LINE__ << ") FILES-TO-UPDATE" << m_filesToUpdate;
 
         GUI(m_filesToUpdate) << (CONSOLE(m_filesToUpdate) << UPDATE_STEP::FILES_TO_UPDATE);
         setProgress(_FILES_TO_UPDATE);
@@ -889,15 +889,15 @@ bool Worker::downloadFilesToPSAHardware() {
             QStringList lst = m_filesToDownload;
             ISMAS(lst) << (CONSOLE(lst) << UPDATE_STEP::FILES_TO_DOWNLOAD);
 
-            Update update(this,
-                          QDir::cleanPath(m_workingDirectory + QDir::separator() + m_customerNrStr),
-                          m_customerNrStr,
-                          m_branchName,
-                          m_pluginDir,
-                          m_pluginName,
-                          m_workingDirectory);
+            m_update = new Update(this,
+                                  QDir::cleanPath(m_workingDirectory + QDir::separator() + m_customerNrStr),
+                                  m_customerNrStr,
+                                  m_branchName,
+                                  m_pluginDir,
+                                  m_pluginName,
+                                  m_workingDirectory);
 
-            if (update.doUpdate(m_displayIndex, m_filesToDownload)) {
+            if (m_update->doUpdate(m_displayIndex, m_filesToDownload)) {
                 // prepared for use: at the moment, the dc-library does not work
                 // as expected.
 
diff --git a/worker.h b/worker.h
index f86c94c..b622eb2 100644
--- a/worker.h
+++ b/worker.h
@@ -249,7 +249,10 @@ class Worker : public QThread{
                                      << UPDATE_STEP::SEND_LAST_VERSION));
             }
             m_worker->stopProgressLoop();
-
+            if (m_worker->m_update != nullptr) {
+                delete m_worker->m_update;
+                m_worker->m_update = nullptr;
+            }
             m_worker->m_updateProcessRunning = false;
             emit m_worker->enableExit();
             emit m_worker->restartExitTimer();