1 files changed, 6 insertions, 1 deletions
diff --git a/Core/Authorization/Voter/RoleVoter.php b/Core/Authorization/Voter/RoleVoter.php
index b017c81..d5f3176 100644
--- a/Core/Authorization/Voter/RoleVoter.php
+++ b/Core/Authorization/Voter/RoleVoter.php
@@ -12,6 +12,7 @@
 namespace Symfony\Component\Security\Core\Authorization\Voter;
 
 use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
+use Symfony\Component\Security\Core\Role\RoleInterface;
 
 /**
  * RoleVoter votes if any attribute starts with a given prefix.
@@ -41,7 +42,11 @@ class RoleVoter implements VoterInterface
         $roles = $this->extractRoles($token);
 
         foreach ($attributes as $attribute) {
-            if (0 !== strpos($attribute, $this->prefix)) {
+            if ($attribute instanceof RoleInterface) {
+                $attribute = $attribute->getRole();
+            }
+
+            if (!is_string($attribute) || 0 !== strpos($attribute, $this->prefix)) {
                 continue;
             }