diff --git a/Source/wayland/WaylandServer.m b/Source/wayland/WaylandServer.m
index 61c33a7..cac9944 100644
--- a/Source/wayland/WaylandServer.m
+++ b/Source/wayland/WaylandServer.m
@@ -781,7 +781,7 @@ WaylandServer (SurfaceRoles)
       break;
     case NSPopUpMenuWindowLevel:
       NSDebugLog(@"[%d] NSPopUpMenuWindowLevel", win);
-      [self createPopup:win];
+      [self createPopup:get_window_with_id(wlconfig, win)];
       break;
     case NSScreenSaverWindowLevel:
       NSDebugLog(@"[%d] NSScreenSaverWindowLevel", win);
@@ -1099,4 +1099,4 @@ WaylandServer (SurfaceRoles)
   wl_display_flush(window->wlconfig->display);
 }
 
-@end
+@end
\ No newline at end of file