diff --git a/FoxTube/Controls/Adverts/CardAdvert.xaml.cs b/FoxTube/Controls/Adverts/CardAdvert.xaml.cs
index cdd6f01..e346056 100644
--- a/FoxTube/Controls/Adverts/CardAdvert.xaml.cs
+++ b/FoxTube/Controls/Adverts/CardAdvert.xaml.cs
@@ -5,6 +5,7 @@ using Microsoft.Advertising.WinRT.UI;
 using Windows.UI.Xaml.Media.Imaging;
 using Microsoft.Toolkit.Uwp.UI.Controls;
 using Microsoft.AppCenter.Analytics;
+using System.Collections.Generic;
 
 namespace FoxTube.Controls.Adverts
 {