diff --git a/htdocs/contact/class/contact.class.php b/htdocs/contact/class/contact.class.php
index d35526b1f13..e9b7067853b 100644
--- a/htdocs/contact/class/contact.class.php
+++ b/htdocs/contact/class/contact.class.php
@@ -744,6 +744,7 @@ class Contact extends CommonObject
 		else
 		{
 			$this->db->rollback();
+			dol_syslog("Error ".$this->error,LOG_ERR);
 			return -1;
 		}
 	}