diff --git a/htdocs/comm/askpricesupplier/card.php b/htdocs/comm/askpricesupplier/card.php
index 5b8bd88a920..e9c39c94eeb 100644
--- a/htdocs/comm/askpricesupplier/card.php
+++ b/htdocs/comm/askpricesupplier/card.php
@@ -978,7 +978,7 @@ $form = new Form($db);
 $formother = new FormOther($db);
 $formfile = new FormFile($db);
 $formaskpricesupplier = new FormAskPriceSupplier($db);
-$formmargin = new FormMargin($this->db);
+$formmargin = new FormMargin($db);
 $companystatic = new Societe($db);
 
 $now = dol_now();