diff --git a/src/AtomUI.Desktop.Controls.ColorPicker/ColorSlider/GradientColorPickerTrack.cs b/src/AtomUI.Desktop.Controls.ColorPicker/ColorSlider/GradientColorPickerTrack.cs
index 08afddad8..500861aa3 100644
--- a/src/AtomUI.Desktop.Controls.ColorPicker/ColorSlider/GradientColorPickerTrack.cs
+++ b/src/AtomUI.Desktop.Controls.ColorPicker/ColorSlider/GradientColorPickerTrack.cs
@@ -13,7 +13,7 @@ internal class GradientColorPickerTrack : AbstractColorPickerSliderTrack
         GradientColorSlider.GradientValueProperty.AddOwner<GradientColorPickerTrack>();
 
     public static readonly StyledProperty<GradientColorSliderThumb?> ActivatedThumbProperty =
-        AvaloniaProperty.Register<GradientColorSlider, GradientColorSliderThumb?>(nameof(ActivatedThumb));
+        AvaloniaProperty.Register<GradientColorPickerTrack, GradientColorSliderThumb?>(nameof(ActivatedThumb));
 
     public LinearGradientBrush? GradientValue
     {
@@ -369,4 +369,4 @@ internal class GradientColorPickerTrack : AbstractColorPickerSliderTrack
         public void Dispose() => _owner._ignoringPropertyChanged = false;
     }
 
-}
\ No newline at end of file
+}
diff --git a/tools/performances/AtomUI.Performance/Suites/ColorPicker/ColorPickerStateVerification.cs b/tools/performances/AtomUI.Performance/Suites/ColorPicker/ColorPickerStateVerification.cs
index 813741ae7..81be9d75a 100644
--- a/tools/performances/AtomUI.Performance/Suites/ColorPicker/ColorPickerStateVerification.cs
+++ b/tools/performances/AtomUI.Performance/Suites/ColorPicker/ColorPickerStateVerification.cs
@@ -14,6 +14,7 @@ internal static partial class Program
         VerifyColorPickerHoverIgnoresClickHandler(failures);
         VerifyColorPickerFocusTrigger(failures);
         VerifyColorPickerTriggerSubscriptionLifecycle(failures);
+        VerifyGradientColorPickerTrackPropertyOwner(failures);
 
         if (failures.Count == 0)
         {
@@ -99,6 +100,19 @@ internal static partial class Program
             failures);
     }
 
+    private static void VerifyGradientColorPickerTrackPropertyOwner(ICollection<string> failures)
+    {
+        var trackType = Type.GetType(
+            "AtomUI.Desktop.Controls.GradientColorPickerTrack, AtomUI.Desktop.Controls.ColorPicker");
+        var property = trackType?
+            .GetField("ActivatedThumbProperty", BindingFlags.Public | BindingFlags.Static)?
+            .GetValue(null) as Avalonia.AvaloniaProperty;
+
+        Expect(trackType is not null && property?.OwnerType == trackType,
+            $"GradientColorPickerTrack.ActivatedThumbProperty should be registered on GradientColorPickerTrack. Actual owner: {property?.OwnerType.FullName ?? "<null>"}.",
+            failures);
+    }
+
     private static bool GetColorPickerIsOpen(AbstractColorPicker picker)
         => GetColorPickerProperty<bool>(picker, "IsPickerOpen");