diff --git a/src/file/fileindexscheduler.cpp b/src/file/fileindexscheduler.cpp
--- a/src/file/fileindexscheduler.cpp
+++ b/src/file/fileindexscheduler.cpp
@@ -75,6 +75,7 @@
 
 FileIndexScheduler::~FileIndexScheduler()
 {
+    m_contentIndexer->quit();
     m_threadPool.waitForDone(0); // wait 0 msecs
 }