diff --git a/htdocs/core/class/rssparser.class.php b/htdocs/core/class/rssparser.class.php
index 4d1e91e5837..90a2f70550a 100755
--- a/htdocs/core/class/rssparser.class.php
+++ b/htdocs/core/class/rssparser.class.php
@@ -91,7 +91,7 @@ class RssParser
 
 		$this->_urlRSS = $urlRSS;
 	    $newpathofdestfile=$cachedir.'/'.md5($this->_urlRSS);
-		$newmask=octdec('0644');
+		$newmask='0644';
 
 		//dol_syslog("RssPArser::parser parse url=".$urlRSS." => cache file=".$newpathofdestfile);
 		$nowgmt = dol_now();