diff --git a/src/musicscanner.cpp b/src/musicscanner.cpp
index 14f619aeb..9f064b4ed 100644
--- a/src/musicscanner.cpp
+++ b/src/musicscanner.cpp
@@ -173,6 +173,7 @@ MusicScanner::scan()
                      SLOT( commitBatch( QVariantList, QVariantList ) ), Qt::DirectConnection );
 
     m_dirListerThreadController = new QThread( this );
+    m_dirListerThreadController->setPriority( QThread::IdlePriority );
 
     m_dirLister = QWeakPointer< DirLister >( new DirLister( m_dirs ) );
     m_dirLister.data()->moveToThread( m_dirListerThreadController );
diff --git a/src/scanmanager.cpp b/src/scanmanager.cpp
index 1209f58ce..adad60807 100644
--- a/src/scanmanager.cpp
+++ b/src/scanmanager.cpp
@@ -195,6 +195,7 @@ ScanManager::runDirScan()
     {
         m_scanTimer->stop();
         m_musicScannerThreadController = new QThread( this );
+        m_musicScannerThreadController->setPriority( QThread::IdlePriority );
         m_scanner = QWeakPointer< MusicScanner >( new MusicScanner( paths ) );
         m_scanner.data()->moveToThread( m_musicScannerThreadController );
         connect( m_scanner.data(), SIGNAL( finished() ), SLOT( scannerFinished() ) );