diff --git a/src/api/web/endpoint/package.js b/src/api/web/endpoint/package.js
index 023166f1e..a9d721829 100644
--- a/src/api/web/endpoint/package.js
+++ b/src/api/web/endpoint/package.js
@@ -6,7 +6,7 @@
 import _ from 'lodash';
 import { addScope, addGravatarSupport, deleteProperties, sortByName, parseReadme } from '../../../lib/utils';
 import { allow } from '../../middleware';
-import { DIST_TAGS } from '../../../lib/constants';
+import { DIST_TAGS, HTTP_STATUS } from '../../../lib/constants';
 import type { Router } from 'express';
 import type { IAuth, $ResponseExtend, $RequestExtend, $NextFunctionVer, IStorageHandler, $SidebarPackage } from '../../../../types';
 
@@ -87,7 +87,7 @@ function addPackageWebApi(route: Router, storage: IStorageHandler, auth: IAuth)
           sideBarInfo = addGravatarSupport(sideBarInfo);
           next(sideBarInfo);
         } else {
-          res.status(404);
+          res.status(HTTP_STATUS.NOT_FOUND);
           res.end();
         }
       },
diff --git a/src/lib/local-storage.js b/src/lib/local-storage.js
index fc7e8cce4..1aaddfe25 100644
--- a/src/lib/local-storage.js
+++ b/src/lib/local-storage.js
@@ -396,11 +396,12 @@ class LocalStorage implements IStorage {
     (uploadStream: any).abort = function() {};
     (uploadStream: any).done = function() {};
 
-    uploadStream._transform = function(data) {
+    uploadStream._transform = function(data, ...args) {
       shaOneHash.update(data);
       // measure the length for validation reasons
       length += data.length;
-      _transform.apply(uploadStream, arguments);
+      const appliedData = [data, ...args];
+      _transform.apply(uploadStream, appliedData);
     };
 
     if (name === STORAGE.PACKAGE_FILE_NAME || name === '__proto__') {
diff --git a/test/functional/tags/tags.js b/test/functional/tags/tags.js
index f8a66c46d..60a67b799 100644
--- a/test/functional/tags/tags.js
+++ b/test/functional/tags/tags.js
@@ -1,6 +1,7 @@
 
 import _ from 'lodash';
 import {readFile} from '../lib/test.utils';
+import { HTTP_STATUS } from '../../../src/lib/constants';
 
 const readTags = () => readFile('../fixtures/tags.json');
 
@@ -9,7 +10,7 @@ export default function(server, express) {
   test('tags - testing for 404', () => {
     return server.getPackage('testexp_tags')
              // shouldn't exist yet
-             .status(404)
+             .status(HTTP_STATUS.NOT_FOUND)
              .body_error(/no such package/);
   });
 
diff --git a/test/unit/api/api.pkg.access.spec.js b/test/unit/api/api.pkg.access.spec.js
index 6ddcad22b..669c4d297 100644
--- a/test/unit/api/api.pkg.access.spec.js
+++ b/test/unit/api/api.pkg.access.spec.js
@@ -3,7 +3,7 @@ import _ from 'lodash';
 import path from 'path';
 import rimraf from 'rimraf';
 
-import {HEADERS} from '../../../src/lib/constants';
+import { HEADERS, HTTP_STATUS } from '../../../src/lib/constants';
 import configDefault from '../partials/config/config_access';
 import Config from '../../../src/lib/config';
 import endPointAPI from '../../../src/api/index';
@@ -60,7 +60,7 @@ describe('api with no limited access configuration', () => {
         .get('/jquery')
         .set('content-type', HEADERS.JSON_CHARSET)
         .expect('Content-Type', /json/)
-        .expect(404)
+        .expect(HTTP_STATUS.NOT_FOUND)
         .end(function(err, res) {
           if (err) {
             return done(err);
diff --git a/test/unit/api/local-storage.spec.js b/test/unit/api/local-storage.spec.js
index f79a86750..6052ae416 100644
--- a/test/unit/api/local-storage.spec.js
+++ b/test/unit/api/local-storage.spec.js
@@ -358,7 +358,7 @@ describe('LocalStorage', () => {
           const stream = storage.addTarball('unexsiting-package', tarballName);
           stream.on('error', (err) => {
             expect(err).not.toBeNull();
-            expect(err.statusCode).toEqual(404);
+            expect(err.statusCode).toEqual(HTTP_STATUS.NOT_FOUND);
             expect(err.message).toMatch(/no such package available/);
             done();
           });
diff --git a/test/unit/api/up-storage.spec.js b/test/unit/api/up-storage.spec.js
index ea8ecb17f..a4d325233 100644
--- a/test/unit/api/up-storage.spec.js
+++ b/test/unit/api/up-storage.spec.js
@@ -69,7 +69,7 @@ describe('UpStorge', () => {
 
       proxy.getRemoteMetadata('@verdaccio/fake-package', {etag: '123456'}, (err) => {
         expect(err).not.toBeNull();
-        expect(err.statusCode).toBe(404);
+        expect(err.statusCode).toBe(HTTP_STATUS.NOT_FOUND);
         expect(err.message).toMatch(API_ERROR.NOT_PACKAGE_UPLINK);
         done();
       });
diff --git a/test/unit/functionalLibs/request.spec.js b/test/unit/functionalLibs/request.spec.js
index ffdda8841..6a62aac0a 100644
--- a/test/unit/functionalLibs/request.spec.js
+++ b/test/unit/functionalLibs/request.spec.js
@@ -70,7 +70,7 @@ describe('Request Functional', () => {
           method: 'GET'
         };
         // $FlowFixMe
-        smartRequest(options).status(404).then((result)=> {
+        smartRequest(options).status(HTTP_STATUS.NOT_FOUND).then((result)=> {
           // this never is resolved
         }, function(error) {
           expect(error.code).toBe('ENOTFOUND');