Index: upload_formatter.php
===================================================================
--- upload_formatter.php	(revision 12677)
+++ upload_formatter.php	(working copy)
@@ -245,6 +245,11 @@
 			$image_helper =& $this->Application->recallObject('ImageHelper');
 			/* @var $image_helper ImageHelper */
 
+			if (array_key_exists('include_path', $options) && $options['include_path']) {
+				// relative path is already included in field
+				$upload_dir = '';
+			}
+
 			return $image_helper->ResizeImage(FULL_PATH . str_replace('/', DIRECTORY_SEPARATOR, $upload_dir) . $value, $format);
 		}