diff --git a/packages/strapi-admin/package.json b/packages/strapi-admin/package.json
index 2b61981250..04ce12d68a 100755
--- a/packages/strapi-admin/package.json
+++ b/packages/strapi-admin/package.json
@@ -48,4 +48,4 @@
     "npm": ">= 3.0.0"
   },
   "license": "MIT"
-}
+}
\ No newline at end of file
diff --git a/packages/strapi-helper-plugin/lib/internals/webpack/webpack.base.babel.js b/packages/strapi-helper-plugin/lib/internals/webpack/webpack.base.babel.js
index 55d867bb97..f93d17a415 100755
--- a/packages/strapi-helper-plugin/lib/internals/webpack/webpack.base.babel.js
+++ b/packages/strapi-helper-plugin/lib/internals/webpack/webpack.base.babel.js
@@ -74,6 +74,10 @@ if (isAdmin && !isSetup) {
       if (_.get(server, 'admin.build.plugins.source') === 'backend') {
         URLs.mode = 'backend';
       }
+
+      if (process.env.npm_lifecycle_event === 'start') {
+        URLs.backend = `http://${_.get(server, 'host', 'localhost')}:${_.get(server, 'port', 1337)}`;
+      }
     }
   } catch (e) {
     throw new Error(`Impossible to access to ${serverConfig}`)