diff --git a/gulliver/system/class.g.php b/gulliver/system/class.g.php
index 3929e66c8..05346a18b 100755
--- a/gulliver/system/class.g.php
+++ b/gulliver/system/class.g.php
@@ -5261,7 +5261,7 @@ class G
         $config = System::getSystemConfiguration();
         G::LoadSystem('logger');
         
-        $oLogger =& Logger::getSingleton($pathData, PATH_SEP, $file);
+        $oLogger = logger::getSingleton($pathData, PATH_SEP, $file);
         $oLogger->limitFile = $config['number_log_file']; 
         $oLogger->limitSize = $config['size_log_file'];
         $oLogger->write($message);
diff --git a/gulliver/system/class.logger.php b/gulliver/system/class.logger.php
index 46cd0c43a..8827a6259 100644
--- a/gulliver/system/class.logger.php
+++ b/gulliver/system/class.logger.php
@@ -14,7 +14,7 @@
  * @author Roly Rudy Gutierrez Pinto
  * @package gulliver.system
  */
-class Logger
+class logger
 {
 
     public static $instance = null;
@@ -31,10 +31,10 @@ class Logger
     {
         $this->limitFile = 5;
         $this->limitSize = 1000000;
-        $filename = pathinfo($file);
-        if (isset($filename['filename']) && isset($filename['extension'])) {
-            $this->fileName = $filename['filename'];
-            $this->fileExtension = '.' . $filename['extension'];
+        $filename = explode(".", $file);
+        if (isset($filename[0]) && isset($filename[1])) {
+            $this->fileName = $filename[0];
+            $this->fileExtension = '.' . $filename[1];
         } else {
             $this->fileName = 'cron';
             $this->fileExtension = '.log';
@@ -49,7 +49,7 @@ class Logger
     public function getSingleton($pathData, $pathSep, $file = 'cron.log')
     {
         if (self::$instance == null) {
-            self::$instance = new Logger($pathData, $pathSep, $file);
+            self::$instance = new logger($pathData, $pathSep, $file);
         }
         return self::$instance;
     }
diff --git a/workflow/engine/classes/class.wsTools.php b/workflow/engine/classes/class.wsTools.php
index 1ca256a6d..2f771435d 100755
--- a/workflow/engine/classes/class.wsTools.php
+++ b/workflow/engine/classes/class.wsTools.php
@@ -1417,15 +1417,13 @@ class workspaceTools
     
     public function backupLogFiles()
     {
-        $config = System::getSystemConfiguration();
-        
         clearstatcache();
         $path = PATH_DATA . "log" . PATH_SEP;
         $filePath = $path . "cron.log";
         if (file_exists($filePath)) {
             $size = filesize($filePath);
-            /* $config['size_log_file'] has the value 5000000 -> approximately 5 megabytes */
-            if ($size > $config['size_log_file']) {
+            /* 5000000 -> approximately 5 megabytes */
+            if ($size > 5000000) {
                 rename($filePath, $filePath . ".bak");
             }
         }