diff --git a/htdocs/user/class/user.class.php b/htdocs/user/class/user.class.php
index f92042879d9..544b0365d46 100644
--- a/htdocs/user/class/user.class.php
+++ b/htdocs/user/class/user.class.php
@@ -2333,7 +2333,7 @@ class User extends CommonObject
 
 						if ($result >= 0) {
 							$result = $adh->setPassword($user, $this->pass, (empty($conf->global->DATABASE_PWD_ENCRYPTED) ? 0 : 1), 1); // Cryptage non gere dans module adherent
-							if ($result < 0) {
+							if (is_numeric($result) && $result < 0) {
 								$this->error = $adh->error;
 								dol_syslog(get_class($this)."::setPassword ".$this->error, LOG_ERR);
 								$error++;