diff --git a/src/tm/jobs.h b/src/tm/jobs.h
--- a/src/tm/jobs.h
+++ b/src/tm/jobs.h
@@ -338,9 +338,7 @@
     explicit ScanJobFeedingBack(const QString& filePath,
                                 const QString& dbName)
         : QObject(), ScanJob(filePath, dbName)
-    {
-        setAutoDelete(false);
-    }
+    {}
 
 protected:
     void run() override
diff --git a/src/tm/tmscanapi.h b/src/tm/tmscanapi.h
--- a/src/tm/tmscanapi.h
+++ b/src/tm/tmscanapi.h
@@ -57,6 +57,7 @@
 
 public slots:
     void scanJobFinished(ScanJobFeedingBack*);
+    void scanJobDestroyed();
 protected:
     bool doKill() override;
 
@@ -64,6 +65,7 @@
     QString m_dbName;
     QTime m_time;
     QVector<ScanJob*> m_jobs;
+    qulonglong m_destroyedJobs = 0;
 };
 }
 
diff --git a/src/tm/tmscanapi.cpp b/src/tm/tmscanapi.cpp
--- a/src/tm/tmscanapi.cpp
+++ b/src/tm/tmscanapi.cpp
@@ -73,7 +73,6 @@
 
 void RecursiveScanJob::scanJobFinished(ScanJobFeedingBack* j)
 {
-    j->deleteLater();
     ScanJob* job = static_cast<ScanJob*>(j);
 
     setProcessedAmount(KJob::Files, processedAmount(KJob::Files) + 1);
@@ -89,6 +88,14 @@
     }
 }
 
+void RecursiveScanJob::scanJobDestroyed()
+{
+    m_destroyedJobs += 1;
+    if (m_destroyedJobs == totalAmount(KJob::Files)) {
+        emitResult();
+    }
+}
+
 void RecursiveScanJob::start()
 {
     m_time.start();
@@ -114,6 +121,7 @@
         if (Catalog::extIsSupported(filePath)) {
             ScanJobFeedingBack* job = new ScanJobFeedingBack(filePath, dbName);
             QObject::connect(job, &ScanJobFeedingBack::done, metaJob, &RecursiveScanJob::scanJobFinished);
+            QObject::connect(job, &QObject::destroyed, metaJob, &RecursiveScanJob::scanJobDestroyed);
             TM::threadPool()->start(job, SCAN);
             result.append(job);
         } else