diff --git a/htdocs/admin/supplier_payment.php b/htdocs/admin/supplier_payment.php
index da74784505a..2eea751f8ac 100644
--- a/htdocs/admin/supplier_payment.php
+++ b/htdocs/admin/supplier_payment.php
@@ -36,7 +36,7 @@ if (!$user->admin) accessforbidden();
 $action = GETPOST('action', 'alpha');
 $value = GETPOST('value', 'alpha');
 $label = GETPOST('label', 'alpha');
-$scandir = GETPOST('scan_dir', 'alpha');
+$scandir = GETPOST('scandir', 'alpha');
 $type = 'supplier_payment';
 
 
@@ -267,7 +267,7 @@ foreach ($dirmodels as $reldir)
                             {
                                 print img_picto($langs->trans("Activated"), 'switch_on');
                             } else {
-                                print '<a class="reposition" href="'.$_SERVER["PHP_SELF"].'?action=setmod&value='.preg_replace('/\.php$/', '', $file).'&scan_dir='.$module->scandir.'&label='.urlencode($module->name).'" alt="'.$langs->trans("Default").'">'.img_picto($langs->trans("Disabled"), 'switch_off').'</a>';
+                                print '<a class="reposition" href="'.$_SERVER["PHP_SELF"].'?action=setmod&value='.preg_replace('/\.php$/', '', $file).'&scandir='.$module->scandir.'&label='.urlencode($module->name).'" alt="'.$langs->trans("Default").'">'.img_picto($langs->trans("Disabled"), 'switch_off').'</a>';
                             }
                             print '</td>';