Index: branches/5.3.x/core/units/helpers/image_helper.php
===================================================================
diff -u -N -r16111 -r16195
--- branches/5.3.x/core/units/helpers/image_helper.php	(.../image_helper.php)	(revision 16111)
+++ branches/5.3.x/core/units/helpers/image_helper.php	(.../image_helper.php)	(revision 16195)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: image_helper.php 16111 2014-12-07 14:49:01Z alex $
+* @version	$Id: image_helper.php 16195 2015-05-19 15:58:57Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -124,11 +124,17 @@
 				$src_path = dirname($src_image);
 				$transform_keys = Array ('crop_x', 'crop_y', 'fill', 'wm_filename', 'filter_type');
 
-				if ($needs_resize || array_intersect(array_keys($params), $transform_keys)) {
-					// resize required OR watermarking required -> change resulting image name !
+				// Resize required OR watermarking required -> change resulting image name !
+				if ( $needs_resize || array_intersect(array_keys($params), $transform_keys) ) {
+					// Escape replacement patterns, like "\<number>".
+					$src_path_escaped = preg_replace('/(\\\[\d]+)/', '\\\\\1', $src_path);
 					ksort($params);
-					$src_path_escaped = preg_replace('/(\\\[\d]+)/', '\\\\\1', $src_path); // escape replacement patterns, like "\<number>"
-					$dst_image = preg_replace('/^'.preg_quote($src_path, '/').'(.*)\.(.*)$/', $src_path_escaped . DIRECTORY_SEPARATOR . 'resized\\1_' . crc32(serialize($params)) . '.\\2', $src_image);
+					$params_hash = kUtil::crc32(serialize($this->fileHelper->makeRelative($params)));
+					$dst_image = preg_replace(
+						'/^' . preg_quote($src_path, '/') . '(.*)\.(.*)$/',
+						$src_path_escaped . DIRECTORY_SEPARATOR . 'resized\\1_' . $params_hash . '.\\2',
+						$src_image
+					);
 
 					$this->fileHelper->CheckFolder( dirname($dst_image) );