diff --git a/src/apps/deskbar/ExpandoMenuBar.cpp b/src/apps/deskbar/ExpandoMenuBar.cpp
index 4b949653da..aec2ce7552 100644
--- a/src/apps/deskbar/ExpandoMenuBar.cpp
+++ b/src/apps/deskbar/ExpandoMenuBar.cpp
@@ -865,6 +865,9 @@ bool
 TExpandoMenuBar::CheckForSizeOverrun()
 {
 	if (fVertical) {
+		if (Window() == NULL)
+			return false;
+
 		BRect screenFrame = (BScreen(Window())).Frame();
 		return Window()->Frame().bottom > screenFrame.bottom;
 	}