diff --git a/lib/Doctrine.php b/lib/Doctrine.php
index 0ab9dd196..f10882f57 100644
--- a/lib/Doctrine.php
+++ b/lib/Doctrine.php
@@ -196,6 +196,10 @@ final class Doctrine {
      * ACCESSOR CONSTANTS
      */
     
+    /**
+     * constant for no accessors
+     */
+    const ACCESSOR_NONE         = 0;
     /**
      * constant for get accessors
      */
@@ -207,7 +211,7 @@ final class Doctrine {
     /**
      * constant for both accessors get and set
      */
-    const ACCESSOR_BOTH         = 4;
+    const ACCESSOR_BOTH         = 3;
     
     /**
      * PORTABILITY CONSTANTS