Index: branches/5.2.x/core/units/helpers/minifiers/minify_helper.php
===================================================================
diff -u -N -r16129 -r16435
--- branches/5.2.x/core/units/helpers/minifiers/minify_helper.php	(.../minify_helper.php)	(revision 16129)
+++ branches/5.2.x/core/units/helpers/minifiers/minify_helper.php	(.../minify_helper.php)	(revision 16435)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: minify_helper.php 16129 2015-02-22 13:37:38Z alex $
+* @version	$Id: minify_helper.php 16435 2016-11-18 10:46:05Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2010 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -200,14 +200,14 @@
 		 */
 		public function compressString(&$string, $extension)
 		{
-			$vars = kUtil::getConfigVars();
+			$compression_engine = kUtil::getSystemConfig()->get('CompressionEngine');
 
-			if ( !array_key_exists('CompressionEngine', $vars) ) {
+			if ( !$compression_engine ) {
 				// compression method not specified - use none
 				return;
 			}
 
-			switch ( $vars['CompressionEngine'] ) {
+			switch ( $compression_engine ) {
 				case 'yui':
 					$this->compressViaJava($string, $extension);
 					break;