diff --git a/htdocs/contact/class/contact.class.php b/htdocs/contact/class/contact.class.php
index f3a5f170380..bf65adc437a 100644
--- a/htdocs/contact/class/contact.class.php
+++ b/htdocs/contact/class/contact.class.php
@@ -549,7 +549,7 @@ class Contact extends CommonObject
 		$this->fax = trim($this->fax);
 		$this->zip = (empty($this->zip) ? '' : trim($this->zip));
 		$this->town = (empty($this->town) ? '' : trim($this->town));
-		$this->ref_ext = trim($this->ref_ext);		
+		$this->ref_ext = trim($this->ref_ext);
 		$this->setUpperOrLowerCase();
 		$this->country_id = ($this->country_id > 0 ? $this->country_id : $this->country_id);
 		if (empty($this->statut)) {