diff --git a/.all-contributorsrc b/.all-contributorsrc
index 8871e62..36ff4f2 100644
--- a/.all-contributorsrc
+++ b/.all-contributorsrc
@@ -47,6 +47,16 @@
       "contributions": [
         "code"
       ]
-    }
+    },
+    {
+          "login": "bslinger",
+          "name": "Ben Slinger",
+          "avatar_url": "https://avatars1.githubusercontent.com/u/603386?v=4",
+          "profile": "https://github.com/bslinger",
+          "contributions": [
+            "code",
+            "test"
+          ]
+        }
   ]
 }
diff --git a/README.md b/README.md
index 7650843..e43e494 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@
 [![version][version-badge]][package]
 [![MIT License][license-badge]][license]
 
-[![All Contributors](https://img.shields.io/badge/all_contributors-4-orange.svg?style=flat-square)](#contributors)
+[![All Contributors](https://img.shields.io/badge/all_contributors-5-orange.svg?style=flat-square)](#contributors)
 [![PRs Welcome][prs-badge]][prs]
 [![Chat][chat-badge]][chat]
 [![Code of Conduct][coc-badge]][coc]
@@ -196,11 +196,9 @@ are tons of them, so just
 Thanks goes to these people ([emoji key][emojis]):
 
 <!-- ALL-CONTRIBUTORS-LIST:START - Do not remove or modify this section -->
-
 <!-- prettier-ignore -->
-| [<img src="https://avatars.githubusercontent.com/u/1500684?v=3" width="100px;"/><br /><sub><b>Kent C. Dodds</b></sub>](https://kentcdodds.com)<br />[💻](https://github.com/kentcdodds/react-toggled/commits?author=kentcdodds "Code") [📖](https://github.com/kentcdodds/react-toggled/commits?author=kentcdodds "Documentation") [🚇](#infra-kentcdodds "Infrastructure (Hosting, Build-Tools, etc)") [⚠️](https://github.com/kentcdodds/react-toggled/commits?author=kentcdodds "Tests") | [<img src="https://avatars3.githubusercontent.com/u/9488719?v=4" width="100px;"/><br /><sub><b>Frank Tan</b></sub>](https://github.com/tansongyang)<br />[💻](https://github.com/kentcdodds/react-toggled/commits?author=tansongyang "Code") [📖](https://github.com/kentcdodds/react-toggled/commits?author=tansongyang "Documentation") [⚠️](https://github.com/kentcdodds/react-toggled/commits?author=tansongyang "Tests") | [<img src="https://avatars1.githubusercontent.com/u/9408641?v=4" width="100px;"/><br /><sub><b>Oliver</b></sub>](http://www.oliverjam.es)<br />[💻](https://github.com/kentcdodds/react-toggled/commits?author=oliverjam "Code") | [<img src="https://avatars2.githubusercontent.com/u/11708648?v=4" width="100px;"/><br /><sub><b>Jedrzej Lewandowski</b></sub>](http://www.thefullresolution.com/)<br />[💻](https://github.com/kentcdodds/react-toggled/commits?author=TheFullResolution "Code") |
-| :---: | :---: | :---: | :---: |
-
+| [<img src="https://avatars.githubusercontent.com/u/1500684?v=3" width="100px;"/><br /><sub><b>Kent C. Dodds</b></sub>](https://kentcdodds.com)<br />[💻](https://github.com/kentcdodds/react-toggled/commits?author=kentcdodds "Code") [📖](https://github.com/kentcdodds/react-toggled/commits?author=kentcdodds "Documentation") [🚇](#infra-kentcdodds "Infrastructure (Hosting, Build-Tools, etc)") [⚠️](https://github.com/kentcdodds/react-toggled/commits?author=kentcdodds "Tests") | [<img src="https://avatars3.githubusercontent.com/u/9488719?v=4" width="100px;"/><br /><sub><b>Frank Tan</b></sub>](https://github.com/tansongyang)<br />[💻](https://github.com/kentcdodds/react-toggled/commits?author=tansongyang "Code") [📖](https://github.com/kentcdodds/react-toggled/commits?author=tansongyang "Documentation") [⚠️](https://github.com/kentcdodds/react-toggled/commits?author=tansongyang "Tests") | [<img src="https://avatars1.githubusercontent.com/u/9408641?v=4" width="100px;"/><br /><sub><b>Oliver</b></sub>](http://www.oliverjam.es)<br />[💻](https://github.com/kentcdodds/react-toggled/commits?author=oliverjam "Code") | [<img src="https://avatars2.githubusercontent.com/u/11708648?v=4" width="100px;"/><br /><sub><b>Jedrzej Lewandowski</b></sub>](http://www.thefullresolution.com/)<br />[💻](https://github.com/kentcdodds/react-toggled/commits?author=TheFullResolution "Code") | [<img src="https://avatars1.githubusercontent.com/u/603386?v=4" width="100px;"/><br /><sub><b>Ben Slinger</b></sub>](https://github.com/bslinger)<br />[💻](https://github.com/kentcdodds/react-toggled/commits?author=bslinger "Code") [⚠️](https://github.com/kentcdodds/react-toggled/commits?author=bslinger "Tests") |
+| :---: | :---: | :---: | :---: | :---: |
 <!-- ALL-CONTRIBUTORS-LIST:END -->
 
 This project follows the [all-contributors][all-contributors] specification.
diff --git a/src/__tests__/index.js b/src/__tests__/index.js
index 46f4ea3..3dd5999 100644
--- a/src/__tests__/index.js
+++ b/src/__tests__/index.js
@@ -159,6 +159,7 @@ test('onToggle gets called in controlled prop scenario', () => {
   expect(spy).not.toHaveBeenCalled()
   wrapper.setProps({on: true})
   expect(spy).toHaveBeenCalled()
+  expect(spy.mock.calls.length).toBe(1)
 })
 
 test('onToggle gets called with fresh state in controlled prop scenario', () => {
@@ -166,6 +167,17 @@ test('onToggle gets called with fresh state in controlled prop scenario', () =>
   const {wrapper} = setup({on: false, onToggle: spy})
   wrapper.setProps({on: true})
   expect(spy).toHaveBeenLastCalledWith(true, expect.anything())
+  expect(spy.mock.calls.length).toBe(1)
+})
+
+test('onToggle gets called when setOnState is called in controlled prop scenario', () => {
+  const spy = jest.fn()
+  const {setOn, setOff} = setup({on: false, onToggle: spy})
+  setOff()
+  expect(spy).not.toHaveBeenCalled()
+  setOn()
+  expect(spy).toHaveBeenLastCalledWith(true, expect.anything())
+  expect(spy.mock.calls.length).toBe(1)
 })
 
 function setup({children = () => <div />, ...props} = {}) {
diff --git a/src/index.js b/src/index.js
index 4b9a398..15bd57a 100644
--- a/src/index.js
+++ b/src/index.js
@@ -69,6 +69,9 @@ class Toggle extends Component {
   }
 
   setOnState = (state = !this.getOn()) => {
+    if (this.getOn() !== state) {
+      this.props.onToggle(state, this.getTogglerStateAndHelpers())
+    }
     this.setState({on: state})
   }