diff --git a/src/Avalonia.Controls/Primitives/Popup.cs b/src/Avalonia.Controls/Primitives/Popup.cs
index 142db71761..9d443d9289 100644
--- a/src/Avalonia.Controls/Primitives/Popup.cs
+++ b/src/Avalonia.Controls/Primitives/Popup.cs
@@ -392,7 +392,7 @@ namespace Avalonia.Controls.Primitives
                 topLevelPopup
                     .Bind(
                         ThemeVariantScope.ActualThemeVariantProperty,
-                        placementTarget.GetBindingObservable(ThemeVariantScope.ActualThemeVariantProperty))
+                        this.GetBindingObservable(ThemeVariantScope.ActualThemeVariantProperty))
                     .DisposeWith(handlerCleanup);
             }