diff --git a/src/core/macfslistener.h b/src/core/macfslistener.h
index e33aaf120..f477751db 100644
--- a/src/core/macfslistener.h
+++ b/src/core/macfslistener.h
@@ -10,7 +10,7 @@ class MacFSListener : public QObject {
   Q_OBJECT
 
  public:
-  MacFSListener();
+  explicit MacFSListener(QObject* parent = 0);
   void Init();
 
   void AddPath(const QString& path);
diff --git a/src/core/macfslistener.mm b/src/core/macfslistener.mm
index 1c9d5d203..cf799bd89 100644
--- a/src/core/macfslistener.mm
+++ b/src/core/macfslistener.mm
@@ -6,8 +6,9 @@
 
 #include "core/logging.h"
 
-MacFSListener::MacFSListener()
-    : run_loop_(NULL),
+MacFSListener::MacFSListener(QObject* parent)
+    : QObject(parent),
+      run_loop_(NULL),
       stream_(NULL) {
 }