diff --git a/.gitignore b/.gitignore
index cd452a7..ccc1bdb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,5 @@
 .*
-/coverage
+coverage
 /node_modules
 /out/vendor
 /out/build.*
diff --git a/package.json b/package.json
index a392294..52f47b0 100644
--- a/package.json
+++ b/package.json
@@ -6,9 +6,8 @@
   "scripts": {
     "deps": "bower install && typings install",
     "build": "tsc -p .",
-    "test": "karma start spec/support/karma.conf.js",
+    "test": "karma start spec/support/karma.conf.js && remap-istanbul -i out/coverage/coverage.json -o out/coverage -t html",
     "build-test": "npm run build && npm run test",
-    "cover": "istanbul cover node_modules/jasmine/bin/jasmine.js && remap-istanbul -i coverage/coverage.json -o coverage -t html",
     "serve": "simple-server out 8012"
   },
   "repository": {
@@ -19,9 +18,9 @@
   "license": "MIT",
   "devDependencies": {
     "bower": "~1.8",
-    "istanbul": "~0.4",
     "jasmine": "~2.5",
     "karma": "~1.3",
+    "karma-coverage": "~1.1",
     "karma-jasmine": "~1.1",
     "karma-phantomjs-launcher": "~1.0",
     "remap-istanbul": "~0.6",
diff --git a/spec/support/karma.conf.js b/spec/support/karma.conf.js
index e638815..3461094 100644
--- a/spec/support/karma.conf.js
+++ b/spec/support/karma.conf.js
@@ -5,9 +5,19 @@ module.exports = function(config) {
     frameworks: ['jasmine'],
     singleRun: true,
     browsers: ['PhantomJS'],
-    reporters: ['dots'],
+    reporters: ['dots', 'coverage'],
     logLevel: config.LOG_WARN,
 
+    preprocessors: {
+      'out/build.js': ['coverage']
+    },
+    coverageReporter: {
+      type : 'json',
+      dir : 'out/coverage/',
+      subdir: '.',
+      file: 'coverage.json'
+    },
+
     files: [
       'out/vendor/phaser/build/phaser.js',
       'out/build.js'