diff --git a/htdocs/core/modules/syslog/mod_syslog_file.php b/htdocs/core/modules/syslog/mod_syslog_file.php
index b8cc257a7d9..207462b942a 100644
--- a/htdocs/core/modules/syslog/mod_syslog_file.php
+++ b/htdocs/core/modules/syslog/mod_syslog_file.php
@@ -109,9 +109,16 @@ class mod_syslog_file extends LogHandler implements LogHandlerInterface
 	    if (empty($conf->global->SYSLOG_FILE)) $tmp=DOL_DATA_ROOT.'/dolibarr.log';
 	    else $tmp=str_replace('DOL_DATA_ROOT', DOL_DATA_ROOT, $conf->global->SYSLOG_FILE);
 
-	    if (! empty($conf->global->SYSLOG_FILE_ONEPERSESSION))	// file depend on session name (Note that session name is same for all users and is not a per user value)
+	    if (! empty($conf->global->SYSLOG_FILE_ONEPERSESSION))
 	    {
-	        $suffixinfilename = '_'.session_name();
+	    	if ($conf->global->SYSLOG_FILE_ONEPERSESSION == 1)	// file depend on session key name (Note that session name is same for all users and is not a per user value)
+	    	{
+	        	$suffixinfilename = '_'.session_name();
+	    	}
+	    	if ($conf->global->SYSLOG_FILE_ONEPERSESSION == 2)	// file depend on session value sor per user
+	    	{
+	    		$suffixinfilename = '_'.session_name().'_'.$_SERVER["REMOTE_ADDR"];
+	    	}
 	    }
 
 	    return $suffixinfilename?preg_replace('/\.log$/i', $suffixinfilename.'.log', $tmp):$tmp;