diff --git a/src/thirtytwo/Controls/ButtonControl.cs b/src/thirtytwo/Controls/ButtonControl.cs
index 57decff..8d4092e 100644
--- a/src/thirtytwo/Controls/ButtonControl.cs
+++ b/src/thirtytwo/Controls/ButtonControl.cs
@@ -7,7 +7,7 @@ namespace Windows;
 
 public partial class ButtonControl : Control
 {
-    private static readonly WindowClass s_buttonClass = new("Button");
+    private static readonly WindowClass s_buttonClass = new(registeredClassName: "Button");
 
     public ButtonControl(
         Rectangle bounds = default,
diff --git a/src/thirtytwo/Controls/StaticControl.cs b/src/thirtytwo/Controls/StaticControl.cs
index 67c2c77..efa611b 100644
--- a/src/thirtytwo/Controls/StaticControl.cs
+++ b/src/thirtytwo/Controls/StaticControl.cs
@@ -5,9 +5,9 @@
 
 namespace Windows;
 
-public partial class StaticControl : Window
+public partial class StaticControl : Control
 {
-    private static readonly WindowClass s_buttonClass = new("Static");
+    private static readonly WindowClass s_buttonClass = new(registeredClassName: "Static");
 
     public StaticControl(
         Rectangle bounds = default,