diff --git a/modules/atomxBidAdapter.js b/modules/atomxBidAdapter.js
index 383547af3ec..69bb04a227b 100644
--- a/modules/atomxBidAdapter.js
+++ b/modules/atomxBidAdapter.js
@@ -32,7 +32,7 @@ var AtomxAdapter = function AtomxAdapter() {
             id: bid.params.id,
             size: sizes[j],
             prebid: bid.placementCode
-          }, {method: 'GET'});
+          }, {method: 'GET', noDecodeWholeURL: true});
         }
       } else {
         var bidObject = bidfactory.createBid(CONSTANTS.STATUS.NO_BID, bid);
diff --git a/src/ajax.js b/src/ajax.js
index 02b699d7e9a..44ff00a0fe0 100644
--- a/src/ajax.js
+++ b/src/ajax.js
@@ -76,7 +76,7 @@ export function ajax(url, callback, data, options = {}) {
     }
 
     if (method === 'GET' && data) {
-      let urlInfo = parseURL(url);
+      let urlInfo = parseURL(url, options);
       Object.assign(urlInfo.search, data);
       url = formatURL(urlInfo);
     }
diff --git a/src/url.js b/src/url.js
index 0682ece573a..5bfeb9c3151 100644
--- a/src/url.js
+++ b/src/url.js
@@ -24,9 +24,13 @@ export function formatQS(query) {
     .join('&');
 }
 
-export function parse(url) {
+export function parse(url, options) {
   let parsed = document.createElement('a');
-  parsed.href = decodeURIComponent(url);
+  if (options && 'noDecodeWholeURL' in options && options.noDecodeWholeURL) {
+    parsed.href = url;
+  } else {
+    parsed.href = decodeURIComponent(url);
+  }
   return {
     protocol: (parsed.protocol || '').replace(/:$/, ''),
     hostname: parsed.hostname,
diff --git a/test/spec/url_spec.js b/test/spec/url_spec.js
index 2b60549ef63..3ffb8ad5ca7 100644
--- a/test/spec/url_spec.js
+++ b/test/spec/url_spec.js
@@ -6,7 +6,7 @@ describe('helpers.url', () => {
     let parsed;
 
     beforeEach(() => {
-      parsed = parse('http://example.com:3000/pathname/?search=test&foo=bar#hash');
+      parsed = parse('http://example.com:3000/pathname/?search=test&foo=bar&bar=foo%26foo%3Dxxx#hash');
     });
 
     it('extracts the protocol', () => {
@@ -28,8 +28,9 @@ describe('helpers.url', () => {
     it('extracts the search query', () => {
       expect(parsed).to.have.property('search');
       expect(parsed.search).to.eql({
-        foo: 'bar',
-        search: 'test'
+        foo: 'xxx',
+        search: 'test',
+        bar: 'foo',
       });
     });
 
@@ -42,6 +43,23 @@ describe('helpers.url', () => {
     });
   });
 
+  describe('parse(url, {noDecodeWholeURL: true})', () => {
+    let parsed;
+
+    beforeEach(() => {
+      parsed = parse('http://example.com:3000/pathname/?search=test&foo=bar&bar=foo%26foo%3Dxxx#hash', {noDecodeWholeURL: true});
+    });
+
+    it('extracts the search query', () => {
+      expect(parsed).to.have.property('search');
+      expect(parsed.search).to.eql({
+        foo: 'bar',
+        search: 'test',
+        bar: 'foo%26foo%3Dxxx',
+      });
+    });
+  });
+
   describe('format()', () => {
     it('formats an object in to a URL', () => {
       expect(format({
@@ -49,9 +67,9 @@ describe('helpers.url', () => {
         hostname: 'example.com',
         port: 3000,
         pathname: '/pathname/',
-        search: {foo: 'bar', search: 'test'},
+        search: {foo: 'bar', search: 'test', bar: 'foo%26foo%3Dxxx'},
         hash: 'hash'
-      })).to.equal('http://example.com:3000/pathname/?foo=bar&search=test#hash');
+      })).to.equal('http://example.com:3000/pathname/?foo=bar&search=test&bar=foo%26foo%3Dxxx#hash');
     });
 
     it('will use defaults for missing properties', () => {