diff --git a/gulliver/system/class.bootstrap.php b/gulliver/system/class.bootstrap.php
index 9cf874831..3a95265bc 100644
--- a/gulliver/system/class.bootstrap.php
+++ b/gulliver/system/class.bootstrap.php
@@ -85,7 +85,7 @@ class Bootstrap
         }
 
         // default configuration
-        $config = array('debug' => 0, 'debug_sql' => 0, 'debug_time' => 0, 'debug_calendar' => 0, 'wsdl_cache' => 1, 'memory_limit' => '128M', 'time_zone' => 'America/New_York', 'memcached' => 0, 'memcached_server' => '', 'default_skin' => 'neoclassic', 'default_lang' => 'en', 'proxy_host' => '', 'proxy_port' => '', 'proxy_user' => '', 'proxy_pass' => '' );
+        $config = array('debug' => 0, 'debug_sql' => 0, 'debug_time' => 0, 'debug_calendar' => 0, 'wsdl_cache' => 1, 'memory_limit' => "256M", 'time_zone' => 'America/New_York', 'memcached' => 0, 'memcached_server' => '', 'default_skin' => 'neoclassic', 'default_lang' => 'en', 'proxy_host' => '', 'proxy_port' => '', 'proxy_user' => '', 'proxy_pass' => '' );
 
         // read the global env.ini configuration file
         if ($readGlobalIniFile && ($globalConf = @parse_ini_file($globalIniFile)) !== false) {
diff --git a/workflow/engine/bin/cron_single.php b/workflow/engine/bin/cron_single.php
index eea55933b..3a8df5026 100755
--- a/workflow/engine/bin/cron_single.php
+++ b/workflow/engine/bin/cron_single.php
@@ -5,7 +5,8 @@
  */
 ini_set('display_errors', 1);
 error_reporting(E_ALL);
-ini_set('memory_limit', '128M');
+
+ini_set("memory_limit", "256M");
 
 if (!defined('SYS_LANG')) {
     define('SYS_LANG', 'en');
diff --git a/workflow/engine/classes/class.system.php b/workflow/engine/classes/class.system.php
index 1d83b53ac..b03495e62 100755
--- a/workflow/engine/classes/class.system.php
+++ b/workflow/engine/classes/class.system.php
@@ -1074,8 +1074,7 @@ class System
         }
 
         // default configuration
-        $config = array ('debug' => 0,'debug_sql' => 0,'debug_time' => 0,'debug_calendar' => 0,'wsdl_cache' => 1,'memory_limit' => '128M','time_zone' => 'America/New_York','memcached' => 0,'memcached_server' => '','default_skin' => 'neoclassic','default_lang' => 'en','proxy_host' => '','proxy_port' => '','proxy_user' => '','proxy_pass' => ''
-        );
+        $config = array ('debug' => 0,'debug_sql' => 0,'debug_time' => 0,'debug_calendar' => 0,'wsdl_cache' => 1,'memory_limit' => "256M", 'time_zone' => 'America/New_York','memcached' => 0,'memcached_server' => '','default_skin' => 'neoclassic','default_lang' => 'en','proxy_host' => '','proxy_port' => '','proxy_user' => '','proxy_pass' => '');
 
         // read the global env.ini configuration file
         if ($readGlobalIniFile && ($globalConf = @parse_ini_file( $globalIniFile )) !== false) {