diff --git a/Tests/PHPCI/Service/BuildServiceTest.php b/Tests/PHPCI/Service/BuildServiceTest.php
index 9b1097a3..6dff6385 100644
--- a/Tests/PHPCI/Service/BuildServiceTest.php
+++ b/Tests/PHPCI/Service/BuildServiceTest.php
@@ -56,7 +56,7 @@ class BuildServiceTest extends \PHPUnit_Framework_TestCase
         $this->assertNull($returnValue->getStarted());
         $this->assertNull($returnValue->getFinished());
         $this->assertNull($returnValue->getLog());
-        $this->assertNull($returnValue->getCommitMessage());
+        $this->assertEmpty($returnValue->getCommitMessage());
         $this->assertNull($returnValue->getCommitterEmail());
         $this->assertNull($returnValue->getExtra());
         $this->assertEquals('master', $returnValue->getBranch());