diff --git a/package.json b/package.json
index 70f5e0b..4d0dac1 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
 		"email": "sindresorhus@gmail.com",
 		"url": "sindresorhus.com"
 	},
-	"main": "dist/index.js",
+	"main": "dist/source",
 	"engines": {
 		"node": ">=6"
 	},
@@ -71,7 +71,7 @@
 		"webpack": "^4.29.0",
 		"webpack-cli": "^3.1.2"
 	},
-	"typings": "dist/index.d.ts",
+	"typings": "dist",
 	"sideEffects": false,
 	"ava": {
 		"babel": false,
diff --git a/source/test/any.ts b/test/any.ts
similarity index 97%
rename from source/test/any.ts
rename to test/any.ts
index 8473847..3c82bf3 100644
--- a/source/test/any.ts
+++ b/test/any.ts
@@ -1,5 +1,5 @@
 import test from 'ava';
-import ow from '..';
+import ow from '../source';
 import {createAnyError} from './fixtures/create-error';
 
 test('any', t => {
diff --git a/source/test/array-buffer.ts b/test/array-buffer.ts
similarity index 95%
rename from source/test/array-buffer.ts
rename to test/array-buffer.ts
index 6f8b222..53375dd 100644
--- a/source/test/array-buffer.ts
+++ b/test/array-buffer.ts
@@ -1,5 +1,5 @@
 import test from 'ava';
-import ow from '..';
+import ow from '../source';
 
 test('arrayBuffer', t => {
 	t.notThrows(() => {
diff --git a/source/test/array.ts b/test/array.ts
similarity index 99%
rename from source/test/array.ts
rename to test/array.ts
index 4d57f1c..e45c84f 100644
--- a/source/test/array.ts
+++ b/test/array.ts
@@ -1,5 +1,5 @@
 import test from 'ava';
-import ow from '..';
+import ow from '../source';
 
 test('array', t => {
 	t.notThrows(() => {
diff --git a/source/test/boolean.ts b/test/boolean.ts
similarity index 97%
rename from source/test/boolean.ts
rename to test/boolean.ts
index 77d7fb1..dc9036f 100644
--- a/source/test/boolean.ts
+++ b/test/boolean.ts
@@ -1,5 +1,5 @@
 import test from 'ava';
-import ow from '..';
+import ow from '../source';
 
 test('boolean', t => {
 	t.notThrows(() => {
diff --git a/source/test/buffer.ts b/test/buffer.ts
similarity index 95%
rename from source/test/buffer.ts
rename to test/buffer.ts
index 398ee5d..aecfafa 100644
--- a/source/test/buffer.ts
+++ b/test/buffer.ts
@@ -1,5 +1,5 @@
 import test from 'ava';
-import ow from '..';
+import ow from '../source';
 
 test('buffer', t => {
 	t.notThrows(() => {
diff --git a/source/test/data-view.ts b/test/data-view.ts
similarity index 95%
rename from source/test/data-view.ts
rename to test/data-view.ts
index c38f68a..9c215fd 100644
--- a/source/test/data-view.ts
+++ b/test/data-view.ts
@@ -1,5 +1,5 @@
 import test from 'ava';
-import ow from '..';
+import ow from '../source';
 
 test('dataView', t => {
 	t.notThrows(() => {
diff --git a/source/test/date.ts b/test/date.ts
similarity index 98%
rename from source/test/date.ts
rename to test/date.ts
index 1a535ae..d373c44 100644
--- a/source/test/date.ts
+++ b/test/date.ts
@@ -1,5 +1,5 @@
 import test from 'ava';
-import ow from '..';
+import ow from '../source';
 
 test('date', t => {
 	t.notThrows(() => {
diff --git a/source/test/error.ts b/test/error.ts
similarity index 99%
rename from source/test/error.ts
rename to test/error.ts
index 7a45cac..7d2a607 100644
--- a/source/test/error.ts
+++ b/test/error.ts
@@ -1,5 +1,5 @@
 import test from 'ava';
-import ow from '..';
+import ow from '../source';
 
 class CustomError extends Error {
 	constructor(message: string) {
diff --git a/source/test/fixtures/create-error.ts b/test/fixtures/create-error.ts
similarity index 100%
rename from source/test/fixtures/create-error.ts
rename to test/fixtures/create-error.ts
diff --git a/source/test/function.ts b/test/function.ts
similarity index 95%
rename from source/test/function.ts
rename to test/function.ts
index ca69938..f1dd28f 100644
--- a/source/test/function.ts
+++ b/test/function.ts
@@ -1,5 +1,5 @@
 import test from 'ava';
-import ow from '..';
+import ow from '../source';
 
 test('function', t => {
 	t.notThrows(() => {
diff --git a/source/test/infer-label.ts b/test/infer-label.ts
similarity index 98%
rename from source/test/infer-label.ts
rename to test/infer-label.ts
index 0a81c94..f98f3bd 100644
--- a/source/test/infer-label.ts
+++ b/test/infer-label.ts
@@ -1,5 +1,5 @@
 import test from 'ava';
-import ow from '..';
+import ow from '../source';
 import {createAnyError} from './fixtures/create-error';
 
 test('infer label', t => {
diff --git a/source/test/iterable.ts b/test/iterable.ts
similarity index 94%
rename from source/test/iterable.ts
rename to test/iterable.ts
index f69ff6c..c575463 100644
--- a/source/test/iterable.ts
+++ b/test/iterable.ts
@@ -1,5 +1,5 @@
 import test from 'ava';
-import ow from '..';
+import ow from '../source';
 
 test('iterable', t => {
 	t.notThrows(() => {
diff --git a/source/test/map.ts b/test/map.ts
similarity index 99%
rename from source/test/map.ts
rename to test/map.ts
index d83e424..d796783 100644
--- a/source/test/map.ts
+++ b/test/map.ts
@@ -1,5 +1,5 @@
 import test from 'ava';
-import ow from '..';
+import ow from '../source';
 
 test('map', t => {
 	t.notThrows(() => {
diff --git a/source/test/nan.ts b/test/nan.ts
similarity index 95%
rename from source/test/nan.ts
rename to test/nan.ts
index b075f27..2a7f8ab 100644
--- a/source/test/nan.ts
+++ b/test/nan.ts
@@ -1,5 +1,5 @@
 import test from 'ava';
-import ow from '..';
+import ow from '../source';
 
 test('nan', t => {
 	t.notThrows(() => {
diff --git a/source/test/null-or-undefined.ts b/test/null-or-undefined.ts
similarity index 96%
rename from source/test/null-or-undefined.ts
rename to test/null-or-undefined.ts
index 872dcd3..cdac326 100644
--- a/source/test/null-or-undefined.ts
+++ b/test/null-or-undefined.ts
@@ -1,5 +1,5 @@
 import test from 'ava';
-import ow from '..';
+import ow from '../source';
 
 test('nullOrUndefined', t => {
 	// tslint:disable-next-line no-null-keyword
diff --git a/source/test/null.ts b/test/null.ts
similarity index 95%
rename from source/test/null.ts
rename to test/null.ts
index 9c1f94a..b07ed7f 100644
--- a/source/test/null.ts
+++ b/test/null.ts
@@ -1,5 +1,5 @@
 import test from 'ava';
-import ow from '..';
+import ow from '../source';
 
 test('null', t => {
 	// tslint:disable-next-line no-null-keyword
diff --git a/source/test/number.ts b/test/number.ts
similarity index 99%
rename from source/test/number.ts
rename to test/number.ts
index 0060527..70efed5 100644
--- a/source/test/number.ts
+++ b/test/number.ts
@@ -1,5 +1,5 @@
 import test from 'ava';
-import ow from '..';
+import ow from '../source';
 
 test('number', t => {
 	t.notThrows(() => {
diff --git a/source/test/object.ts b/test/object.ts
similarity index 99%
rename from source/test/object.ts
rename to test/object.ts
index e844641..399e97f 100644
--- a/source/test/object.ts
+++ b/test/object.ts
@@ -1,5 +1,5 @@
 import test from 'ava';
-import ow from '..';
+import ow from '../source';
 
 class Unicorn {} // tslint:disable-line
 
diff --git a/source/test/optional.ts b/test/optional.ts
similarity index 95%
rename from source/test/optional.ts
rename to test/optional.ts
index 396fc9c..b18823d 100644
--- a/source/test/optional.ts
+++ b/test/optional.ts
@@ -1,5 +1,5 @@
 import test from 'ava';
-import ow from '..';
+import ow from '../source';
 
 test('optional', t => {
 	t.notThrows(() => {
diff --git a/source/test/promise.ts b/test/promise.ts
similarity index 95%
rename from source/test/promise.ts
rename to test/promise.ts
index 71d68b8..10b1c98 100644
--- a/source/test/promise.ts
+++ b/test/promise.ts
@@ -1,5 +1,5 @@
 import test from 'ava';
-import ow from '..';
+import ow from '../source';
 
 test('promise', t => {
 	t.notThrows(() => {
diff --git a/source/test/regexp.ts b/test/regexp.ts
similarity index 95%
rename from source/test/regexp.ts
rename to test/regexp.ts
index ddc92e2..4dc6965 100644
--- a/source/test/regexp.ts
+++ b/test/regexp.ts
@@ -1,5 +1,5 @@
 import test from 'ava';
-import ow from '..';
+import ow from '../source';
 
 test('regExp', t => {
 	t.notThrows(() => {
diff --git a/source/test/set.ts b/test/set.ts
similarity index 99%
rename from source/test/set.ts
rename to test/set.ts
index 2fdc632..7efc551 100644
--- a/source/test/set.ts
+++ b/test/set.ts
@@ -1,5 +1,5 @@
 import test from 'ava';
-import ow from '..';
+import ow from '../source';
 
 test('set', t => {
 	t.notThrows(() => {
diff --git a/source/test/string.ts b/test/string.ts
similarity index 99%
rename from source/test/string.ts
rename to test/string.ts
index ddcbb20..c55e015 100644
--- a/source/test/string.ts
+++ b/test/string.ts
@@ -1,5 +1,5 @@
 import test from 'ava';
-import ow from '..';
+import ow from '../source';
 
 test('string', t => {
 	const bar: any = 12;
diff --git a/source/test/symbol.ts b/test/symbol.ts
similarity index 93%
rename from source/test/symbol.ts
rename to test/symbol.ts
index 81bcc9f..c8a9608 100644
--- a/source/test/symbol.ts
+++ b/test/symbol.ts
@@ -1,5 +1,5 @@
 import test from 'ava';
-import ow from '..';
+import ow from '../source';
 
 test('symbol', t => {
 	t.notThrows(() => {
diff --git a/source/test/test.ts b/test/test.ts
similarity index 99%
rename from source/test/test.ts
rename to test/test.ts
index 92fe7ca..1ea48f7 100644
--- a/source/test/test.ts
+++ b/test/test.ts
@@ -1,5 +1,5 @@
 import test from 'ava';
-import ow from '..';
+import ow from '../source';
 import {createAnyError} from './fixtures/create-error';
 
 test('not', t => {
diff --git a/source/test/typed-array.ts b/test/typed-array.ts
similarity index 99%
rename from source/test/typed-array.ts
rename to test/typed-array.ts
index ae45b52..503f14b 100644
--- a/source/test/typed-array.ts
+++ b/test/typed-array.ts
@@ -1,5 +1,5 @@
 import test from 'ava';
-import ow from '..';
+import ow from '../source';
 
 test('typedArray', t => {
 	t.notThrows(() => {
diff --git a/source/test/undefined.ts b/test/undefined.ts
similarity index 96%
rename from source/test/undefined.ts
rename to test/undefined.ts
index 8938ca0..610b59d 100644
--- a/source/test/undefined.ts
+++ b/test/undefined.ts
@@ -1,5 +1,5 @@
 import test from 'ava';
-import ow from '..';
+import ow from '../source';
 
 test('undefined', t => {
 	const x = undefined;
diff --git a/source/test/weak-map.ts b/test/weak-map.ts
similarity index 98%
rename from source/test/weak-map.ts
rename to test/weak-map.ts
index 0b75f25..a9b286e 100644
--- a/source/test/weak-map.ts
+++ b/test/weak-map.ts
@@ -1,5 +1,5 @@
 import test from 'ava';
-import ow from '..';
+import ow from '../source';
 
 test('weakMap', t => {
 	t.notThrows(() => {
diff --git a/source/test/weak-set.ts b/test/weak-set.ts
similarity index 98%
rename from source/test/weak-set.ts
rename to test/weak-set.ts
index c37e256..b324db5 100644
--- a/source/test/weak-set.ts
+++ b/test/weak-set.ts
@@ -1,5 +1,5 @@
 import test from 'ava';
-import ow from '..';
+import ow from '../source';
 
 const unicorn = {unicorn: '🦄'};
 const rainbow = {rainbow: '🌈'};
diff --git a/tsconfig.json b/tsconfig.json
index 6b067c1..5293f06 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -7,6 +7,10 @@
 			"es2016"
 		]
 	},
+	"include": [
+		"source",
+		"test"
+	],
 	"typedocOptions": {
 		"out": "docs",
 		// Links to `ArrayPredicate` and others doesn't work when this is specified...