Index: branches/5.2.x/core/units/helpers/minifiers/minify_helper.php
===================================================================
diff -u -N -r14244 -r14572
--- branches/5.2.x/core/units/helpers/minifiers/minify_helper.php	(.../minify_helper.php)	(revision 14244)
+++ branches/5.2.x/core/units/helpers/minifiers/minify_helper.php	(.../minify_helper.php)	(revision 14572)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: minify_helper.php 14244 2011-03-16 20:53:41Z alex $
+* @version	$Id: minify_helper.php 14572 2011-09-20 15:25:49Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2010 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -209,7 +209,7 @@
 
 			unlink($tmp_file);
 
-			if (!is_null($compressed_string)) {
+			if (!is_null($compressed_string) && $compressed_string) {
 				$string = $compressed_string;
 				return ;
 			}