diff --git a/lib/_src/dropdown_menu.dart b/lib/_src/dropdown_menu.dart
index 98f7101..b6247cb 100644
--- a/lib/_src/dropdown_menu.dart
+++ b/lib/_src/dropdown_menu.dart
@@ -191,7 +191,7 @@ class _DropdownMenuState extends DropdownState<DropdownMenu>
   Widget build(BuildContext context) {
     List<Widget> list = [];
 
-    print("build ${new DateTime.now()}");
+    // print("build ${new DateTime.now()}");
 
     if (_show) {
       list.add(
@@ -282,7 +282,7 @@ class _DropdownMenuState extends DropdownState<DropdownMenu>
               _show = true;
             });
 
-            return new Future.value(null);
+            return new TickerFuture.complete();
           }
 
           break;