diff --git a/lib/Cake/Model/Datasource/DboSource.php b/lib/Cake/Model/Datasource/DboSource.php
index 94ae71412..d1d3357a3 100644
--- a/lib/Cake/Model/Datasource/DboSource.php
+++ b/lib/Cake/Model/Datasource/DboSource.php
@@ -3140,7 +3140,7 @@ class DboSource extends DataSource {
  */
 	public function __destruct() {
 		if ($this->_methodCacheChange) {
-			Cache::write('method_cache', $this->methodCache, '_cake_core_');
+			Cache::write('method_cache', self::$methodCache, '_cake_core_');
 		}
 	}