diff --git a/lib/core/engine.js b/lib/core/engine.js
index 844efd46..71b8ec2e 100644
--- a/lib/core/engine.js
+++ b/lib/core/engine.js
@@ -100,6 +100,7 @@ class Engine {
     this.events.emit("status", "Building Assets");
     const Pipeline = require('../pipeline/pipeline.js');
     const pipeline = new Pipeline({
+      env: this.env,
       buildDir: this.config.buildDir,
       contractsFiles: this.config.contractsFiles,
       assetFiles: this.config.assetFiles,
diff --git a/lib/pipeline/pipeline.js b/lib/pipeline/pipeline.js
index d8625348..79ed54ea 100644
--- a/lib/pipeline/pipeline.js
+++ b/lib/pipeline/pipeline.js
@@ -12,6 +12,7 @@ require("babel-preset-es2017");
 class Pipeline {
 
   constructor(options) {
+    this.env = options.env;
     this.buildDir = options.buildDir;
     this.contractsFiles = options.contractsFiles;
     this.assetFiles = options.assetFiles;
@@ -103,6 +104,7 @@ class Pipeline {
                   function runWebpack(next) {
                     let built = false;
                     const webpackProcess = new ProcessLauncher({
+                      env: self.env,
                       modulePath: utils.joinPath(__dirname, 'webpackProcess.js'),
                       logger: self.logger,
                       events: self.events,
@@ -115,7 +117,7 @@ class Pipeline {
                         }
                       }
                     });
-                    webpackProcess.send({action: constants.pipeline.init, options: {}});
+                    webpackProcess.send({action: constants.pipeline.init, options: {env: self.env}});
                     webpackProcess.send({action: constants.pipeline.build, file, importsList});
 
                     webpackProcess.once('result', constants.pipeline.built, (msg) => {
diff --git a/lib/process/processLauncher.js b/lib/process/processLauncher.js
index 9c2c1b1d..8487e8a4 100644
--- a/lib/process/processLauncher.js
+++ b/lib/process/processLauncher.js
@@ -14,6 +14,7 @@ class ProcessLauncher {
    * @return {ProcessLauncher}    The ProcessLauncher instance
    */
   constructor(options) {
+    this.env = options.env;
     this.name = path.basename(options.modulePath);
     this.process = child_process.fork(options.modulePath);
     this.logger = options.logger;
diff --git a/lib/process/processWrapper.js b/lib/process/processWrapper.js
index 6154ab4d..82666a47 100644
--- a/lib/process/processWrapper.js
+++ b/lib/process/processWrapper.js
@@ -17,6 +17,7 @@ class ProcessWrapper {
    */
   constructor(_options) {
     this.interceptLogs();
+    this.env = _options ? _options.env : 'development';
     this.events = new Events();
 
     this.pingParent();