diff --git a/headers/private/storage/AddOnMonitorHandler.h b/headers/private/storage/AddOnMonitorHandler.h
index b7efc675c1..7902f8254e 100644
--- a/headers/private/storage/AddOnMonitorHandler.h
+++ b/headers/private/storage/AddOnMonitorHandler.h
@@ -40,7 +40,10 @@ public:
 	// Note that directories are not watched recursively, and all entries
 	// are reported as add-ons regardless of their node type (files,
 	// directories, symlinks).
-	virtual	status_t			AddDirectory(const node_ref* nref);
+	// If sync is true all pending add-on entries are handled immediately.
+	// Including entries from other directories.
+	virtual	status_t			AddDirectory(const node_ref* nref,
+									bool sync = false);
 
 protected:
 	// hooks for sub-class
@@ -66,7 +69,7 @@ protected:
 	virtual	void				StatChanged(ino_t node, dev_t device);
 
 private:
-			void				_HandlePulse();
+			void				_HandlePendingEntries();
 			void				_EntryCreated(add_on_entry_info& info);
 
 			typedef NodeMonitorHandler inherited;
diff --git a/src/kits/storage/AddOnMonitorHandler.cpp b/src/kits/storage/AddOnMonitorHandler.cpp
index 897aaa7bf0..d6a167e52d 100644
--- a/src/kits/storage/AddOnMonitorHandler.cpp
+++ b/src/kits/storage/AddOnMonitorHandler.cpp
@@ -47,14 +47,14 @@ void
 AddOnMonitorHandler::MessageReceived(BMessage* msg)
 {
 	if (msg->what == B_PULSE)
-		_HandlePulse();
+		_HandlePendingEntries();
 
 	inherited::MessageReceived(msg);
 }
 
 
 status_t
-AddOnMonitorHandler::AddDirectory(const node_ref* nref)
+AddOnMonitorHandler::AddDirectory(const node_ref* nref, bool sync)
 {
 	// Keep the looper thread locked, since this method is likely to be called
 	// in a thread other than the looper thread. Otherwise we may access the
@@ -98,6 +98,9 @@ AddOnMonitorHandler::AddDirectory(const node_ref* nref)
 		fPendingEntries.push_back(entryInfo);
 	}
 
+	if (sync)
+		_HandlePendingEntries();
+
 	return B_OK;
 }
 
@@ -441,7 +444,7 @@ AddOnMonitorHandler::StatChanged(ino_t node, dev_t device)
 
 //!	Process pending entries.
 void
-AddOnMonitorHandler::_HandlePulse()
+AddOnMonitorHandler::_HandlePendingEntries()
 {
 	BDirectory directory;
 	EntryList::iterator iter = fPendingEntries.begin();