diff --git a/__tests__/index.js b/__tests__/index.js
index 48a6e84..cfc488a 100644
--- a/__tests__/index.js
+++ b/__tests__/index.js
@@ -176,10 +176,10 @@ describe('other options', () => {
     const component = renderer.create(<Component />)
     expect(component.toJSON()).toMatchSnapshot() // initial
 
-    await waitFor(10)
+    await waitFor(5)
     expect(component.toJSON()).toMatchSnapshot() // loading
 
-    await waitFor(20)
+    await waitFor(30)
     expect(component.toJSON()).toMatchSnapshot() // success
   })
 
@@ -192,7 +192,7 @@ describe('other options', () => {
     const component = renderer.create(<Component />)
     expect(component.toJSON()).toMatchSnapshot() // initial
 
-    await waitFor(10)
+    await waitFor(5)
     expect(component.toJSON()).toMatchSnapshot() // loading
 
     await waitFor(20)
diff --git a/src/index.js b/src/index.js
index b710c5b..ce717a4 100644
--- a/src/index.js
+++ b/src/index.js
@@ -23,7 +23,7 @@ type Options<Props> = {
   chunkName?: string,
   timeout?: number,
   key?: Key<Props>,
-  onLoad: OnLoad
+  onLoad?: OnLoad
 }
 
 type Props = {