diff --git a/src/PhotosUI/PHEnums.cs b/src/PhotosUI/PHEnums.cs
index 1c1036f465..37404968cc 100644
--- a/src/PhotosUI/PHEnums.cs
+++ b/src/PhotosUI/PHEnums.cs
@@ -50,5 +50,8 @@ namespace PhotosUI {
 		WallDecor,
 		[Field ("PHProjectCategoryOther")]
 		Other,
+		[Mac (10,14,2, onlyOn64: true)]
+		[Field ("PHProjectCategoryUndefined")]
+		Undefined,
 	}
 }
diff --git a/tests/xtro-sharpie/macOS-PhotosUI.todo b/tests/xtro-sharpie/macOS-PhotosUI.todo
deleted file mode 100644
index 1efdf84403..0000000000
--- a/tests/xtro-sharpie/macOS-PhotosUI.todo
+++ /dev/null
@@ -1 +0,0 @@
-!missing-field! PHProjectCategoryUndefined not bound