diff --git a/htdocs/compta/paiement/fiche.php b/htdocs/compta/paiement/fiche.php
index 679e042f1ac..83ddcc95c00 100644
--- a/htdocs/compta/paiement/fiche.php
+++ b/htdocs/compta/paiement/fiche.php
@@ -140,7 +140,7 @@ if ($action == 'setnum' && ! empty($_POST['num_paiement']))
 	}
 }
 
-if ($action == 'setdate' && ! empty($_POST['datepday']))
+if ($action == 'setdatep' && ! empty($_POST['datepday']))
 {
 	$object->fetch($id);
     $datepaye = dol_mktime(12, 0, 0, $_POST['datepmonth'], $_POST['datepday'], $_POST['datepyear']);