diff --git a/Metadata/ClassMetadata.php b/Metadata/ClassMetadata.php
index 0be0535..5da84cb 100644
--- a/Metadata/ClassMetadata.php
+++ b/Metadata/ClassMetadata.php
@@ -34,7 +34,7 @@ class ClassMetadata extends MergeableClassMetadata
     public function addMethodMetadata(BaseMethodMetadata $metadata)
     {
         if ($this->reflection->isFinal()) {
-            throw new RuntimeException(sprintf('Class "%s" is declared final, and cannot be secured.', $reflection->name));
+            throw new RuntimeException(sprintf('Class "%s" is declared final, and cannot be secured.', $metadata->reflection->name));
         }
 
         if ($metadata->reflection->isStatic()) {