diff --git a/SunnyUI/Forms/UIForm.cs b/SunnyUI/Forms/UIForm.cs
index 15b24833..35bde7cc 100644
--- a/SunnyUI/Forms/UIForm.cs
+++ b/SunnyUI/Forms/UIForm.cs
@@ -1465,7 +1465,7 @@ namespace Sunny.UI
         {
             get
             {
-                return (_showRadius && !_showShadow);
+                return (_showRadius && !_showShadow && !UIStyles.GlobalRectangle);
             }
             set
             {