diff --git a/src/SourceGenerators/Uno.UI.SourceGenerators/BindableTypeProviders/BindableTypeProvidersGenerationTask.cs b/src/SourceGenerators/Uno.UI.SourceGenerators/BindableTypeProviders/BindableTypeProvidersGenerationTask.cs
index 82eb829238fb..e7729393205e 100644
--- a/src/SourceGenerators/Uno.UI.SourceGenerators/BindableTypeProviders/BindableTypeProvidersGenerationTask.cs
+++ b/src/SourceGenerators/Uno.UI.SourceGenerators/BindableTypeProviders/BindableTypeProvidersGenerationTask.cs
@@ -364,7 +364,7 @@ where field.IsStatic
 
 							if (
 								property.SetMethod != null
-								&& property.SetMethod != null
+								&& !property.SetMethod.IsInitOnly
 								&& property.SetMethod.IsLocallyPublic(_currentModule!)
 								)
 							{
diff --git a/src/Uno.UI.RuntimeTests/Tests/Windows_UI_Xaml_Data/BindableNullableValueTypeTestPage.xaml.cs b/src/Uno.UI.RuntimeTests/Tests/Windows_UI_Xaml_Data/BindableNullableValueTypeTestPage.xaml.cs
index 60bc58fdc2bb..3dd38d68be88 100644
--- a/src/Uno.UI.RuntimeTests/Tests/Windows_UI_Xaml_Data/BindableNullableValueTypeTestPage.xaml.cs
+++ b/src/Uno.UI.RuntimeTests/Tests/Windows_UI_Xaml_Data/BindableNullableValueTypeTestPage.xaml.cs
@@ -30,4 +30,8 @@ public int? MyProperty
 			}
 		}
 	}
+
+#if !WINAPPSDK // https://github.com/microsoft/microsoft-ui-xaml/issues/5315
+	public int MyInitOnlyProperty { get; init; }
+#endif
 }