diff --git a/lib/commands/test-init.ts b/lib/commands/test-init.ts
index 0133a56665..2f8921ed9c 100644
--- a/lib/commands/test-init.ts
+++ b/lib/commands/test-init.ts
@@ -105,8 +105,9 @@ class TestInitCommand implements ICommand {
 		const frameworks = [frameworkToInstall].concat(this.karmaConfigAdditionalFrameworks[frameworkToInstall] || [])
 			.map(fw => `'${fw}'`)
 			.join(', ');
+		const testFiles = `'${relativeTestsDir}/**/*.js'`;
 		const karmaConfTemplate = this.$resources.readText('test/karma.conf.js');
-		const karmaConf = _.template(karmaConfTemplate)({ frameworks });
+		const karmaConf = _.template(karmaConfTemplate)({ frameworks, testFiles });
 
 		this.$fs.writeFile(path.join(projectDir, 'karma.conf.js'), karmaConf);
 
diff --git a/resources/test/karma.conf.js b/resources/test/karma.conf.js
index 0dd269a0ac..5fc70a7fb1 100644
--- a/resources/test/karma.conf.js
+++ b/resources/test/karma.conf.js
@@ -12,7 +12,7 @@ module.exports = function(config) {
 
     // list of files / patterns to load in the browser
     files: [
-      'app/**/*.js',
+      ${ testFiles }
     ],