diff --git a/htdocs/societe/class/societe.class.php b/htdocs/societe/class/societe.class.php
index 43cfaa16998..1c41b7ee186 100644
--- a/htdocs/societe/class/societe.class.php
+++ b/htdocs/societe/class/societe.class.php
@@ -1581,6 +1581,7 @@ class Societe extends CommonObject
 							$lmember->phone = $this->phone;
 							$lmember->state_id = $this->state_id;
 							$lmember->country_id = $this->country_id;
+							$lmember->default_lang = $this->default_lang;
 
 							$result = $lmember->update($user, 0, 1, 1, 1); // Use nosync to 1 to avoid cyclic updates
 							if ($result < 0) {