diff --git a/tests/lib/rules/require-valid-default-prop.js b/tests/lib/rules/require-valid-default-prop.js
index 238460876..a724d36f7 100644
--- a/tests/lib/rules/require-valid-default-prop.js
+++ b/tests/lib/rules/require-valid-default-prop.js
@@ -108,6 +108,7 @@ ruleTester.run('require-valid-default-prop', rule, {
           foo: { type: String, default () { return Foo } },
           foo: { type: Number, default () { return Foo } },
           foo: { type: Object, default () { return Foo } },
+          foo: { type: Object, default: null },
         }
       })`,
       languageOptions