diff --git a/10.0/Apps/DeveloperBalance/Pages/Controls/ChipDataTemplateSelector.cs b/10.0/Apps/DeveloperBalance/Pages/Controls/ChipDataTemplateSelector.cs
index e2b5e5d6c..5bb8e2cbd 100644
--- a/10.0/Apps/DeveloperBalance/Pages/Controls/ChipDataTemplateSelector.cs
+++ b/10.0/Apps/DeveloperBalance/Pages/Controls/ChipDataTemplateSelector.cs
@@ -4,11 +4,11 @@ namespace DeveloperBalance.Pages.Controls;
 
 public class ChipDataTemplateSelector : DataTemplateSelector
 {
-	public required DataTemplate SelectedTagTemplate { get; set; }
-	public required DataTemplate NormalTagTemplate { get; set; }
+	public DataTemplate? SelectedTagTemplate { get; set; }
+	public DataTemplate? NormalTagTemplate { get; set; }
 
 	protected override DataTemplate OnSelectTemplate(object item, BindableObject container)
 	{
-		return (item as Tag)?.IsSelected ?? false ? SelectedTagTemplate : NormalTagTemplate;
+		return ((item as Tag)?.IsSelected ?? false ? SelectedTagTemplate : NormalTagTemplate) ?? throw new InvalidOperationException("DataTemplates SelectedTagTemplate and NormalTagTemplate must be set to a non-null value.");
 	}
 }
diff --git a/9.0/Apps/DeveloperBalance/Pages/Controls/ChipDataTemplateSelector.cs b/9.0/Apps/DeveloperBalance/Pages/Controls/ChipDataTemplateSelector.cs
index e2b5e5d6c..5bb8e2cbd 100644
--- a/9.0/Apps/DeveloperBalance/Pages/Controls/ChipDataTemplateSelector.cs
+++ b/9.0/Apps/DeveloperBalance/Pages/Controls/ChipDataTemplateSelector.cs
@@ -4,11 +4,11 @@ namespace DeveloperBalance.Pages.Controls;
 
 public class ChipDataTemplateSelector : DataTemplateSelector
 {
-	public required DataTemplate SelectedTagTemplate { get; set; }
-	public required DataTemplate NormalTagTemplate { get; set; }
+	public DataTemplate? SelectedTagTemplate { get; set; }
+	public DataTemplate? NormalTagTemplate { get; set; }
 
 	protected override DataTemplate OnSelectTemplate(object item, BindableObject container)
 	{
-		return (item as Tag)?.IsSelected ?? false ? SelectedTagTemplate : NormalTagTemplate;
+		return ((item as Tag)?.IsSelected ?? false ? SelectedTagTemplate : NormalTagTemplate) ?? throw new InvalidOperationException("DataTemplates SelectedTagTemplate and NormalTagTemplate must be set to a non-null value.");
 	}
 }