diff --git a/lib/Doctrine/Validator/Readonly.php b/lib/Doctrine/Validator/Readonly.php
index df916956e..51caaf4ca 100644
--- a/lib/Doctrine/Validator/Readonly.php
+++ b/lib/Doctrine/Validator/Readonly.php
@@ -36,8 +36,8 @@ class Doctrine_Validator_Readonly
      */
     public function validate($value)
     {
-        $modified = $this->invoker->getModifed();
+        $modified = $this->invoker->getModified();
         
         return array_key_exists($this->field, $modified) ? false : true;
     }
-}
\ No newline at end of file
+}