diff --git a/cake/libs/cache/file.php b/cake/libs/cache/file.php
index c7d07d912..087ba0aa1 100644
--- a/cake/libs/cache/file.php
+++ b/cake/libs/cache/file.php
@@ -139,7 +139,7 @@ class FileEngine extends CacheEngine {
 		$expires = time() + $duration;
 		$contents = $expires . $lineBreak . $data . $lineBreak;
 
-		if (!$handle = fopen($this->_File->path, 'c')) {
+		if (!$handle = fopen($this->_File->path, 'a')) {
 		    return false;
 		}