diff --git a/.travis.yml b/.travis.yml
index db0f66d..8024f5c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,7 +7,7 @@ php:
   - 5.6
 
 before_script:
-  - curl -s http://getcomposer.org/installer | php
-  - php composer.phar install --dev
+  - composer self-update
+  - composer install --prefer-source --no-interaction --dev
 
 script: phpunit
\ No newline at end of file
diff --git a/tests/CartTest.php b/tests/CartTest.php
index fc69318..1235522 100644
--- a/tests/CartTest.php
+++ b/tests/CartTest.php
@@ -222,7 +222,8 @@ class CartTest extends PHPUnit_Framework_TestCase {
 
 		$this->cart->add('293ad', 'Product 1', 1, 9.99);
 
-		$this->assertEquals('8cbf215baa3b757e910e5305ab981172', $this->cart->search(array('id' => '293ad'))[0]);
+		$searchResult = $this->cart->search(array('id' => '293ad'));
+		$this->assertEquals('8cbf215baa3b757e910e5305ab981172', $searchResult[0]);
 	}
 
 	public function testCartCanHaveMultipleInstances()