diff --git a/osu.Game.Tests/Visual/Settings/TestSceneSettingsSource.cs b/osu.Game.Tests/Visual/Settings/TestSceneSettingsSource.cs
index d530e1f796..fc81d9792e 100644
--- a/osu.Game.Tests/Visual/Settings/TestSceneSettingsSource.cs
+++ b/osu.Game.Tests/Visual/Settings/TestSceneSettingsSource.cs
@@ -6,6 +6,7 @@ using osu.Framework.Bindables;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Game.Configuration;
+using osu.Game.Overlays.Settings;
 using osuTK;
 
 namespace osu.Game.Tests.Visual.Settings
@@ -58,6 +59,13 @@ namespace osu.Game.Tests.Visual.Settings
                 Default = string.Empty,
                 Value = "Sample text"
             };
+
+            [SettingSource("Sample number textbox", "Textbox number entry", SettingControlType = typeof(SettingsNumberBox))]
+            public Bindable<int?> IntTextboxBindable { get; } = new Bindable<int?>
+            {
+                Default = null,
+                Value = null
+            };
         }
 
         private enum TestEnum