diff --git a/lib/Doctrine/Common/Cli/Configuration.php b/lib/Doctrine/Common/Cli/Configuration.php
index <HASH>..<HASH> 100644
--- a/lib/Doctrine/Common/Cli/Configuration.php
+++ b/lib/Doctrine/Common/Cli/Configuration.php
@@ -81,6 +81,6 @@ class Configuration
      */
     public function hasAttribute($name)
     {
-        return isset($this->_attribute[$name]);
+        return isset($this->_attributes[$name]);
     }
 }
\ No newline at end of file
diff --git a/tests/Doctrine/Tests/Common/Cli/AllTests.php b/tests/Doctrine/Tests/Common/Cli/AllTests.php
index <HASH>..<HASH> 100644
--- a/tests/Doctrine/Tests/Common/Cli/AllTests.php
+++ b/tests/Doctrine/Tests/Common/Cli/AllTests.php
@@ -19,6 +19,7 @@ class AllTests
     {
         $suite = new \Doctrine\Tests\DoctrineTestSuite('Doctrine Common CLI Tests');
 
+        $suite->addTestSuite('Doctrine\Tests\Common\Cli\ConfigurationTest');
         $suite->addTestSuite('Doctrine\Tests\Common\Cli\OptionTest');
         $suite->addTestSuite('Doctrine\Tests\Common\Cli\OptionGroupTest');
         $suite->addTestSuite('Doctrine\Tests\Common\Cli\StyleTest');
[<I>] Added unit tests for CLI Configuration. Fixed hasAttrbibute() issue of undefined property.