diff --git a/src/corelib/io/qfilesystemwatcher_fsevents.mm b/src/corelib/io/qfilesystemwatcher_fsevents.mm
index 6194bf7c71..31b1a438bd 100644
--- a/src/corelib/io/qfilesystemwatcher_fsevents.mm
+++ b/src/corelib/io/qfilesystemwatcher_fsevents.mm
@@ -311,14 +311,16 @@ QFseventsFileSystemWatcherEngine::~QFseventsFileSystemWatcherEngine()
 {
     QMacAutoReleasePool pool;

-    // Stop the stream in case we have to wait for the lock below to be acquired.
-    if (stream)
-        FSEventStreamStop(stream);
+    dispatch_sync(queue, ^{
+        // Stop the stream in case we have to wait for the lock below to be acquired.
+        if (stream)
+            FSEventStreamStop(stream);

-    // The assumption with the locking strategy is that this class cannot and will not be subclassed!
-    QMutexLocker locker(&lock);
+        // The assumption with the locking strategy is that this class cannot and will not be subclassed!
+        QMutexLocker locker(&lock);

-    stopStream(true);
+        stopStream(true);
+    });
     dispatch_release(queue);
 }