diff --git a/tests/Avalonia.Markup.UnitTests/Data/BindingTests.cs b/tests/Avalonia.Markup.UnitTests/Data/BindingTests.cs
index cbb6abbf7f..a0a285ee4e 100644
--- a/tests/Avalonia.Markup.UnitTests/Data/BindingTests.cs
+++ b/tests/Avalonia.Markup.UnitTests/Data/BindingTests.cs
@@ -199,6 +199,7 @@ namespace Avalonia.Markup.UnitTests.Data
         [Fact]
         public void OneWayToSource_Binding_Should_Not_StackOverflow_With_Null_Value()
         {
+            // Issue #2912
             var target = new TextBlock { Text = null };
             var binding = new Binding
             {