diff --git a/htdocs/admin/facture.php b/htdocs/admin/facture.php
index bae4b0abd88..3b7facc9dc8 100644
--- a/htdocs/admin/facture.php
+++ b/htdocs/admin/facture.php
@@ -42,7 +42,7 @@ if (! $user->admin) accessforbidden();
 $action = GETPOST('action','alpha');
 $value = GETPOST('value','alpha');
 $label = GETPOST('label','alpha');
-$scandir = GETPOST('scandir','alpha');
+$scandir = GETPOST('scan_dir','alpha');
 $type='invoice';
 
 
@@ -380,7 +380,7 @@ foreach ($dirmodels as $reldir)
                             }
                             else
                             {
-                                print '<a href="'.$_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 '<a 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 '</td>';
 
@@ -566,7 +566,7 @@ foreach ($dirmodels as $reldir)
 	                            else
 	                            {
 	                                print "<td align=\"center\">\n";
-	                                print '<a href="'.$_SERVER["PHP_SELF"].'?action=set&value='.$name.'&scandir='.$module->scandir.'&label='.urlencode($module->name).'">'.img_picto($langs->trans("SetAsDefault"),'switch_off').'</a>';
+	                                print '<a href="'.$_SERVER["PHP_SELF"].'?action=set&value='.$name.'&scan_dir='.$module->scandir.'&label='.urlencode($module->name).'">'.img_picto($langs->trans("SetAsDefault"),'switch_off').'</a>';
 	                                print "</td>";
 	                            }
 
@@ -578,7 +578,7 @@ foreach ($dirmodels as $reldir)
 	                            }
 	                            else
 	                            {
-	                                print '<a href="'.$_SERVER["PHP_SELF"].'?action=setdoc&value='.$name.'&scandir='.$module->scandir.'&label='.urlencode($module->name).'" alt="'.$langs->trans("Default").'">'.img_picto($langs->trans("SetAsDefault"),'off').'</a>';
+	                                print '<a href="'.$_SERVER["PHP_SELF"].'?action=setdoc&value='.$name.'&scan_dir='.$module->scandir.'&label='.urlencode($module->name).'" alt="'.$langs->trans("Default").'">'.img_picto($langs->trans("SetAsDefault"),'off').'</a>';
 	                            }
 	                            print '</td>';