diff --git a/types/react-instantsearch-core/react-instantsearch-core-tests.tsx b/types/react-instantsearch-core/react-instantsearch-core-tests.tsx
index a2fb2193ee..4348d9fad0 100644
--- a/types/react-instantsearch-core/react-instantsearch-core-tests.tsx
+++ b/types/react-instantsearch-core/react-instantsearch-core-tests.tsx
@@ -8,7 +8,7 @@ import {
 } from 'react-instantsearch-core';
 
 () => {
-  const InstantSearch = createInstantSearch(() => {}, {Root: 'div', props: {className: `widget`}});
+  const InstantSearch = createInstantSearch(() => ({}), {Root: 'div', props: {className: `widget`}});
 
   <InstantSearch>
     <div></div>
@@ -128,3 +128,10 @@ import {
 
   <ComposedMyComponent additionalProp='test' />;
 };
+
+() => {
+  const InstantSearch = createInstantSearch(
+    () => null, // $ExpectError
+    {}
+  );
+};