diff --git a/src/Avalonia.Controls/Button.cs b/src/Avalonia.Controls/Button.cs
index c779e4b0cb..6093cbd581 100644
--- a/src/Avalonia.Controls/Button.cs
+++ b/src/Avalonia.Controls/Button.cs
@@ -218,6 +218,7 @@ namespace Avalonia.Controls
             if (Command != null)
             {
                 Command.CanExecuteChanged += CanExecuteChanged;
+                CanExecuteChanged(this, EventArgs.Empty);
             }
         }