diff --git a/index.d.ts b/index.d.ts
index f112654b0..750ad2f73 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -863,7 +863,7 @@ export interface INamespace {
 type AnyExtensionField = (IExtensionField|IExtensionMapField);
 
 /** Any nested object descriptor. */
-type AnyNestedObject = (IEnum|IType|IService|AnyExtensionField|INamespace);
+type AnyNestedObject = (IEnum|IType|IService|AnyExtensionField|INamespace|IOneOf);
 
 /** Base class of all reflection objects. */
 export abstract class ReflectionObject {
diff --git a/src/namespace.js b/src/namespace.js
index 0f0ba6306..731afc75f 100644
--- a/src/namespace.js
+++ b/src/namespace.js
@@ -143,9 +143,8 @@ Object.defineProperty(Namespace.prototype, "nestedArray", {
 /**
  * Any nested object descriptor.
  * @typedef AnyNestedObject
- * @type {IEnum|IType|IService|AnyExtensionField|INamespace}
+ * @type {IEnum|IType|IService|AnyExtensionField|INamespace|IOneOf}
  */
-// ^ BEWARE: VSCode hangs forever when using more than 5 types (that's why AnyExtensionField exists in the first place)
 
 /**
  * Converts this namespace to a namespace descriptor.