diff --git a/index.d.ts b/index.d.ts
index 67c6057..6052c49 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -40,6 +40,7 @@ declare namespace meow {
 		- `isRequired`: Determine if the flag is required.
 			If it's only known at runtime whether the flag is required or not you can pass a Function instead of a boolean, which based on the given flags and other non-flag arguments should decide if the flag is required.
 		- `isMultiple`: Indicates a flag can be set multiple times. Values are turned into an array. (Default: false)
+			Multiple values are provided by specifying the flag multiple times, for example, `$ foo -u rainbow -u cat`. Space- or comma-separated values are *not* supported.
 
 		@example
 		```
diff --git a/index.js b/index.js
index b3f85ce..c726013 100644
--- a/index.js
+++ b/index.js
@@ -125,11 +125,13 @@ const meow = (helpText, options) => {
 
 	parserOptions = buildParserOptions(parserOptions);
 
+	parserOptions.configuration = {
+		...parserOptions.configuration,
+		'greedy-arrays': false
+	};
+
 	if (parserOptions['--']) {
-		parserOptions.configuration = {
-			...parserOptions.configuration,
-			'populate--': true
-		};
+		parserOptions.configuration['populate--'] = true;
 	}
 
 	const {pkg} = options;
diff --git a/readme.md b/readme.md
index 9e6ab8a..1c547dc 100644
--- a/readme.md
+++ b/readme.md
@@ -143,6 +143,7 @@ The key is the flag name and the value is an object with any of:
 	- The second argument is the **input** string array, which contains the non-flag arguments.
 	- The function should return a `boolean`, true if the flag is required, otherwise false.
 - `isMultiple`: Indicates a flag can be set multiple times. Values are turned into an array. (Default: false)
+	- Multiple values are provided by specifying the flag multiple times, for example, `$ foo -u rainbow -u cat`. Space- or comma-separated values are [currently *not* supported](https://github.com/sindresorhus/meow/issues/164).
 
 Example:
 
diff --git a/test/is-required-flag.js b/test/is-required-flag.js
index 66907fb..a8c5730 100644
--- a/test/is-required-flag.js
+++ b/test/is-required-flag.js
@@ -87,9 +87,9 @@ test('spawn cli and test isRequired with isMultiple giving a single value', asyn
 	t.is(stdout, '[ 1 ]');
 });
 
-test('spawn cli and test isRequired with isMultiple giving a multiple values', async t => {
-	const {stdout} = await execa(fixtureRequiredMultiplePath, ['--test', '1', '2', '3']);
-	t.is(stdout, '[ 1, 2, 3 ]');
+test('spawn cli and test isRequired with isMultiple giving multiple values', async t => {
+	const {stdout} = await execa(fixtureRequiredMultiplePath, ['--test', '1', '--test', '2']);
+	t.is(stdout, '[ 1, 2 ]');
 });
 
 test('spawn cli and test isRequired with isMultiple giving no values, but flag is given', async t => {
diff --git a/test/test.js b/test/test.js
index abaebef..cfae265 100644
--- a/test/test.js
+++ b/test/test.js
@@ -355,7 +355,7 @@ test('isMultiple - flag set multiple times', t => {
 });
 
 test('isMultiple - flag with space separated values', t => {
-	t.deepEqual(meow({
+	const {input, flags} = meow({
 		argv: ['--foo', 'bar', 'baz'],
 		flags: {
 			foo: {
@@ -363,8 +363,23 @@ test('isMultiple - flag with space separated values', t => {
 				isMultiple: true
 			}
 		}
+	});
+
+	t.deepEqual(input, ['baz']);
+	t.deepEqual(flags.foo, ['bar']);
+});
+
+test('isMultiple - flag with comma separated values', t => {
+	t.deepEqual(meow({
+		argv: ['--foo', 'bar,baz'],
+		flags: {
+			foo: {
+				type: 'string',
+				isMultiple: true
+			}
+		}
 	}).flags, {
-		foo: ['bar', 'baz']
+		foo: ['bar,baz']
 	});
 });