diff --git a/extensions/fastdom-sandbox.js b/extensions/fastdom-sandbox.js
index 39afc28..c2ea72f 100644
--- a/extensions/fastdom-sandbox.js
+++ b/extensions/fastdom-sandbox.js
@@ -5,7 +5,7 @@
  *
  * @return {Function}
  */
-var debug = 0 ? console.log.bind(console, '[fastdom-sandbox]') : function() {};
+var debug = process.env.NODE_ENV !== 'production' ? console.log.bind(console, '[fastdom-sandbox]') : function() {};
 
 /**
  * Exports
diff --git a/fastdom-strict.js b/fastdom-strict.js
index 007521d..44f6658 100644
--- a/fastdom-strict.js
+++ b/fastdom-strict.js
@@ -64,7 +64,7 @@ return /******/ (function(modules) { // webpackBootstrap
 	 *
 	 * @return {Function}
 	 */
-	var debug = 0 ? console.log.bind(console, '[fastdom-strict]') : function() {};
+	var debug =  false ? console.log.bind(console, '[fastdom-strict]') : function() {};
 
 	/**
 	 * Enabled state
diff --git a/fastdom.js b/fastdom.js
index 8579b62..f7c529e 100644
--- a/fastdom.js
+++ b/fastdom.js
@@ -18,7 +18,7 @@
  *
  * @return {Function}
  */
-var debug = 0 ? console.log.bind(console, '[fastdom]') : function() {};
+var debug = process.env.NODE_ENV !== 'production' ? console.log.bind(console, '[fastdom]') : function() {};
 
 /**
  * Normalized rAF
diff --git a/fastdom.min.js b/fastdom.min.js
index 7a89e96..492f074 100644
--- a/fastdom.min.js
+++ b/fastdom.min.js
@@ -1 +1 @@
-!function(t){"use strict";function e(){var e=this;e.reads=[],e.writes=[],e.raf=a.bind(t)}function n(t){t.scheduled||(t.scheduled=!0,t.raf(i.bind(null,t)))}function i(t){var e,i=t.writes,o=t.reads;try{r(o),r(i)}catch(s){e=s}if(t.scheduled=!1,(o.length||i.length)&&n(t),e){if(!t["catch"])throw e;t["catch"](e)}}function r(t){for(var e;e=t.shift();)e.fn.call(e.ctx)}function o(t,e){var n=t.indexOf(e);return!!~n&&!!t.splice(n,1)}function s(t,e){for(var n in e)e.hasOwnProperty(n)&&(t[n]=e[n])}var a=t.requestAnimationFrame||t.webkitRequestAnimationFrame||t.mozRequestAnimationFrame||t.msRequestAnimationFrame||function(t){return setTimeout(t,16)};e.prototype={constructor:e,measure:function(t,e){var i={fn:t,ctx:e};return this.reads.push(i),n(this),i},mutate:function(t,e){var i={fn:t,ctx:e};return this.writes.push(i),n(this),i},clear:function(t){return o(this.reads,t)||o(this.writes,t)},extend:function(t){if("object"!=typeof t)throw new Error("expected object");var e=Object.create(this);return s(e,t),e.fastdom=this,e.initialize&&e.initialize(),e},"catch":null};var exports=t.fastdom=t.fastdom||new e;"f"==(typeof define)[0]?define(function(){return exports}):"o"==(typeof module)[0]&&(module.exports=exports)}(this);
+!function(t){"use strict";function e(){var e=this;e.reads=[],e.writes=[],e.raf=c.bind(t)}function n(t){t.scheduled||(t.scheduled=!0,t.raf(i.bind(null,t)))}function i(t){var e,i=t.writes,o=t.reads;try{r(o),r(i)}catch(s){e=s}if(t.scheduled=!1,(o.length||i.length)&&n(t),e){if(!t["catch"])throw e;t["catch"](e)}}function r(t){for(var e;e=t.shift();)e.fn.call(e.ctx)}function o(t,e){var n=t.indexOf(e);return!!~n&&!!t.splice(n,1)}function s(t,e){for(var n in e)e.hasOwnProperty(n)&&(t[n]=e[n])}var c=("production"!==process.env.NODE_ENV?void 0:function(){},t.requestAnimationFrame||t.webkitRequestAnimationFrame||t.mozRequestAnimationFrame||t.msRequestAnimationFrame||function(t){return setTimeout(t,16)});e.prototype={constructor:e,measure:function(t,e){var i={fn:t,ctx:e};return this.reads.push(i),n(this),i},mutate:function(t,e){var i={fn:t,ctx:e};return this.writes.push(i),n(this),i},clear:function(t){return o(this.reads,t)||o(this.writes,t)},extend:function(t){if("object"!=typeof t)throw new Error("expected object");var e=Object.create(this);return s(e,t),e.fastdom=this,e.initialize&&e.initialize(),e},"catch":null};var exports=t.fastdom=t.fastdom||new e;"f"==(typeof define)[0]?define(function(){return exports}):"o"==(typeof module)[0]&&(module.exports=exports)}(this);
diff --git a/package.json b/package.json
index e2a20cc..01ca422 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
     "test-dev": "karma start test/karma.conf.js --browsers Firefox",
     "coveralls": "cat test/coverage/lcov.info | coveralls",
     "compress": "uglifyjs fastdom.js --compress='drop_console,sequences,dead_code,booleans,conditionals,unused,if_return,join_vars,pure_funcs=\"debug\"' --mangle --reserved='require,define,module,exports' > fastdom.min.js",
-    "build": "webpack && npm run -s compress",
+    "build": "NODE_ENV=production webpack && npm run -s compress",
     "watch": "webpack -w"
   },
   "homepage": "https://github.com/wilsonpage/fastdom",
diff --git a/src/fastdom-strict.js b/src/fastdom-strict.js
index 86d3f4e..c0a3d51 100644
--- a/src/fastdom-strict.js
+++ b/src/fastdom-strict.js
@@ -8,7 +8,9 @@ var fastdom = require('../fastdom');
  *
  * @return {Function}
  */
-var debug = 0 ? console.log.bind(console, '[fastdom-strict]') : function() {};
+var debug = process.env.NODE_ENV !== 'production' ?
+  console.log.bind(console, '[fastdom-strict]') : 
+  function() {};
 
 /**
  * Enabled state
diff --git a/test/globals.js b/test/globals.js
new file mode 100644
index 0000000..4b7de5c
--- /dev/null
+++ b/test/globals.js
@@ -0,0 +1,2 @@
+// global variables for karma
+window.process = { env: { NODE_ENV: 'production'} };
\ No newline at end of file
diff --git a/test/karma.conf.js b/test/karma.conf.js
index d639b36..6dea6fe 100644
--- a/test/karma.conf.js
+++ b/test/karma.conf.js
@@ -43,6 +43,7 @@ module.exports = function(config) {
     },
 
     files: [
+      'test/globals.js',
       'fastdom.js',
       'extensions/fastdom-promised.js',
       'extensions/fastdom-sandbox.js',
diff --git a/webpack.config.js b/webpack.config.js
index c115fd9..3297841 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -1,3 +1,5 @@
+var webpack = require('webpack');
+
 module.exports = [
   {
     entry: './src/fastdom-strict.js',
@@ -9,6 +11,14 @@ module.exports = [
 
     externals: {
       '../fastdom': 'fastdom'
-    }
+    },
+    
+    plugins: [
+      new webpack.DefinePlugin({
+        'process.env': {
+          'NODE_ENV': JSON.stringify(process.env.NODE_ENV || 'development')
+        }
+      })
+    ]
   }
 ];