diff --git a/src/project/project.cpp b/src/project/project.cpp
--- a/src/project/project.cpp
+++ b/src/project/project.cpp
@@ -32,6 +32,7 @@
 #include "jobs.h"
 #include "glossary.h"
 #include "tmmanager.h"
+#include "tmscanapi.h"
 #include "glossarywindow.h"
 #include "editortab.h"
 #include "dbfilesmodel.h"
@@ -154,6 +155,7 @@
 {
     QTime a; a.start();
 
+    TM::stopScanJobs();
     TM::threadPool()->clear();
     qCDebug(LOKALIZE_LOG) << "loading" << newProjectPath << "finishing tm jobs...";
 
diff --git a/src/tm/tmscanapi.h b/src/tm/tmscanapi.h
--- a/src/tm/tmscanapi.h
+++ b/src/tm/tmscanapi.h
@@ -65,6 +65,8 @@
     QTime m_time;
     QVector<ScanJob*> m_jobs;
 };
+
+void stopScanJobs();
 }
 
 #endif
diff --git a/src/tm/tmscanapi.cpp b/src/tm/tmscanapi.cpp
--- a/src/tm/tmscanapi.cpp
+++ b/src/tm/tmscanapi.cpp
@@ -97,9 +97,12 @@
                      qMakePair(i18n("TM"), m_dbName));
 }
 
+QVector<RecursiveScanJob*> _scanJobs;
+
 int TM::scanRecursive(const QStringList& filePaths, const QString& dbName)
 {
     RecursiveScanJob* metaJob = new RecursiveScanJob(dbName);
+    _scanJobs.append(metaJob);
     KIO::getJobTracker()->registerJob(metaJob);
     metaJob->start();
     if (!askAuthorInfoIfEmpty())
@@ -126,6 +129,16 @@
     return result.size();
 }
 
+void TM::stopScanJobs() {
+    QVectorIterator<RecursiveScanJob*> itScanJobs(_scanJobs);
+    while (itScanJobs.hasNext()) {
+        auto job = itScanJobs.next();
+        job->kill();
+        job->deleteLater();
+    }
+    _scanJobs.clear();
+}
+
 //returns gross number of jobs started
 static QVector<ScanJob*> TM::doScanRecursive(const QDir& dir, const QString& dbName, KJob* metaJob)
 {