diff --git a/system/controllers/home.php b/system/controllers/home.php
index ee582821..bce30af5 100644
--- a/system/controllers/home.php
+++ b/system/controllers/home.php
@@ -230,6 +230,6 @@ $ui->assign('unpaid', ORM::for_table('tbl_payment_gateway')
     ->where('username', $user['username'])
     ->where('status', 1)
     ->find_one());
-$ui->assign('code', alphanumeric(_get('code')));
+    $ui->assign('code', alphanumeric(_get('code'),"-"));
 run_hook('view_customer_dashboard'); #HOOK
 $ui->display('user-dashboard.tpl');
diff --git a/system/controllers/login.php b/system/controllers/login.php
index 4f3538f9..e04370ce 100644
--- a/system/controllers/login.php
+++ b/system/controllers/login.php
@@ -182,7 +182,7 @@ switch ($do) {
     default:
         run_hook('customer_view_login'); #HOOK
         if ($config['disable_registration'] == 'yes') {
-            $ui->assign('code', alphanumeric(_get('code')));
+            $ui->assign('code', alphanumeric(_get('code'),"-"));
             $ui->display('user-login-noreg.tpl');
         } else {
             $ui->display('user-login.tpl');
diff --git a/system/controllers/voucher.php b/system/controllers/voucher.php
index bd08865d..88651718 100644
--- a/system/controllers/voucher.php
+++ b/system/controllers/voucher.php
@@ -17,7 +17,7 @@ switch ($action) {
 
     case 'activation':
         run_hook('view_activate_voucher'); #HOOK
-        $ui->assign('code', alphanumeric(_get('code')));
+        $ui->assign('code', alphanumeric(_get('code'),"-"));
         $ui->display('user-activation.tpl');
         break;