diff --git a/Xamarin.Forms.Platform.MacOS/Renderers/RadioButtonRenderer.cs b/Xamarin.Forms.Platform.MacOS/Renderers/RadioButtonRenderer.cs
index 07708b12410..a02aa212704 100644
--- a/Xamarin.Forms.Platform.MacOS/Renderers/RadioButtonRenderer.cs
+++ b/Xamarin.Forms.Platform.MacOS/Renderers/RadioButtonRenderer.cs
@@ -52,6 +52,9 @@ protected override void OnElementChanged(ElementChangedEventArgs<RadioButton> e)
 					ObserveStateChange(true);
 
 					btn.Activated += HandleActivated;
+
+					if (e.NewElement.IsChecked)
+						Control.State = NSCellStateValue.On;
 				}
 
 				UpdateContent();