diff --git a/src/Symfony/Component/Security/Acl/Domain/RoleSecurityIdentity.php b/src/Symfony/Component/Security/Acl/Domain/RoleSecurityIdentity.php
index 51d3d0c23908b..cf70fda38a243 100644
--- a/src/Symfony/Component/Security/Acl/Domain/RoleSecurityIdentity.php
+++ b/src/Symfony/Component/Security/Acl/Domain/RoleSecurityIdentity.php
@@ -12,7 +12,7 @@
 namespace Symfony\Component\Security\Acl\Domain;
 
 use Symfony\Component\Security\Acl\Model\SecurityIdentityInterface;
-use Symfony\Component\Security\Core\Role\Role;
+use Symfony\Component\Security\Core\Role\RoleInterface;
 
 /**
  * A SecurityIdentity implementation for roles
@@ -26,12 +26,12 @@ final class RoleSecurityIdentity implements SecurityIdentityInterface
     /**
      * Constructor
      *
-     * @param mixed $role a Role instance, or its string representation
+     * @param  mixed $role a RoleInterface instance, or its string representation
      * @return void
      */
     public function __construct($role)
     {
-        if ($role instanceof Role) {
+        if ($role instanceof RoleInterface) {
             $role = $role->getRole();
         }
 
diff --git a/tests/Symfony/Tests/Component/Security/Acl/Domain/RoleSecurityIdentityTest.php b/tests/Symfony/Tests/Component/Security/Acl/Domain/RoleSecurityIdentityTest.php
index 31835963d25f4..99984b62a29fe 100644
--- a/tests/Symfony/Tests/Component/Security/Acl/Domain/RoleSecurityIdentityTest.php
+++ b/tests/Symfony/Tests/Component/Security/Acl/Domain/RoleSecurityIdentityTest.php
@@ -17,18 +17,23 @@
 
 class RoleSecurityIdentityTest extends \PHPUnit_Framework_TestCase
 {
-    public function testConstructor()
+    /**
+     * @dataProvider getConstructorData
+     */
+    public function testConstructor($role, $roleString)
     {
-        $id = new RoleSecurityIdentity('ROLE_FOO');
+        $id = new RoleSecurityIdentity($role);
 
-        $this->assertEquals('ROLE_FOO', $id->getRole());
+        $this->assertEquals($roleString, $id->getRole());
     }
 
-    public function testConstructorWithRoleInstance()
+     public function getConstructorData()
     {
-        $id = new RoleSecurityIdentity(new Role('ROLE_FOO'));
-
-        $this->assertEquals('ROLE_FOO', $id->getRole());
+        return array(
+            array('ROLE_FOO', 'ROLE_FOO'),
+            array(new Role('ROLE_FOO'), 'ROLE_FOO'),
+            array(new CustomRole(), 'CUSTOM_ROLE'),
+        );
     }
 
     /**
@@ -53,3 +58,14 @@ public function getCompareData()
         );
     }
 }
+
+class CustomRole implements \Symfony\Component\Security\Core\Role\RoleInterface
+{
+    /**
+     * {@inheritDoc}
+     */
+    public function getRole()
+    {
+        return 'CUSTOM_ROLE';
+    }
+}