diff --git a/src/ThemeEditor.Controls.ColorPicker/Properties/HsvProperties.cs b/src/ThemeEditor.Controls.ColorPicker/Properties/HsvProperties.cs
index 37b5ae4..c86d1fa 100644
--- a/src/ThemeEditor.Controls.ColorPicker/Properties/HsvProperties.cs
+++ b/src/ThemeEditor.Controls.ColorPicker/Properties/HsvProperties.cs
@@ -108,7 +108,7 @@ namespace ThemeEditor.Controls.ColorPicker
             }
         }
 
-        private void OnColorPickerChange(ColorPicker colorPicker)
+        private void OnColorPickerChange()
         {
             if (ColorPicker != null)
             {