diff --git a/src/kits/interface/MenuBar.cpp b/src/kits/interface/MenuBar.cpp
index bc1d6a804e..2b4b36cc7d 100644
--- a/src/kits/interface/MenuBar.cpp
+++ b/src/kits/interface/MenuBar.cpp
@@ -476,7 +476,7 @@ BMenuBar::Track(int32 *action, int32 startIndex, bool showMenu)
 
 	while (true) {
 		bigtime_t snoozeAmount = 40000;
-		bool locked = window->Lock();//WithTimeout(200000)
+		bool locked = (Window() != NULL && window->Lock());//WithTimeout(200000)
 		if (!locked)
 			break;