diff --git a/src/index.js b/src/index.js
index 8941423..2c0368b 100644
--- a/src/index.js
+++ b/src/index.js
@@ -226,7 +226,7 @@ export function parseQueryString(queryString: string): Object {
     query = query.substr(1);
   }
 
-  let pairs = query.replace(/\+/g, ' ').split('&');
+  let pairs = query.split('&');
   for (let i = 0; i < pairs.length; i++) {
     let pair = pairs[i].split('=');
     let key = decodeURIComponent(pair[0]);
diff --git a/test/path.spec.js b/test/path.spec.js
index e3fdbe1..46201b0 100644
--- a/test/path.spec.js
+++ b/test/path.spec.js
@@ -272,5 +272,7 @@ describe('query strings', () => {
     expect(parse('a[b][c][d]=e')).toEqual({a: {b: {c: {d: 'e'}}}});
     expect(parse('a[b][]=c&a[b][]=d&a[b][2][]=f&a[b][2][]=g')).toEqual({a: {b: ['c','d', ['f', 'g']]}});
     expect(parse('a[0]=b')).toEqual({a: ['b']});
+
+    expect(parse('a=b+c')).toEqual({a: 'b+c'});
   });
 });