diff --git a/test/parse-url.js b/test/parse-url.js
index a6c0848..35f8ae4 100644
--- a/test/parse-url.js
+++ b/test/parse-url.js
@@ -5,6 +5,7 @@ test('handles strings with query string', t => {
 	t.deepEqual(queryString.parseUrl('https://foo.bar#top?foo=bar'), {url: 'https://foo.bar', query: {}});
 	t.deepEqual(queryString.parseUrl('https://foo.bar?foo=bar&foo=baz#top'), {url: 'https://foo.bar', query: {foo: ['bar', 'baz']}});
 	t.deepEqual(queryString.parseUrl('https://foo.bar?foo=bar&foo=baz'), {url: 'https://foo.bar', query: {foo: ['bar', 'baz']}});
+	t.deepEqual(queryString.parseUrl('https://foo.bar?foo=null'), {url: 'https://foo.bar', query: {foo: 'null'}});
 });
 
 test('handles strings not containing query string', t => {
diff --git a/test/parse.js b/test/parse.js
index e4904e9..17de629 100644
--- a/test/parse.js
+++ b/test/parse.js
@@ -20,6 +20,7 @@ test('query strings ending with a `&`', t => {
 
 test('parse a query string', t => {
 	t.deepEqual(queryString.parse('foo=bar'), {foo: 'bar'});
+	t.deepEqual(queryString.parse('foo=null'), {foo: 'null'});
 });
 
 test('parse multiple query string', t => {