diff --git a/services/registration/select_voucher.vis b/services/registration/select_voucher.vis
index 3919f71..4fb1d40 100644
--- a/services/registration/select_voucher.vis
+++ b/services/registration/select_voucher.vis
@@ -1,9 +1,11 @@
 LOAD get_vouchers 0
 MAP get_vouchers
+MOUT back 0
+MOUT quit 9
 MNEXT next 11
-MPREV back  22
+MPREV prev 22
 HALT
+INCMP _ 0
+INCMP quit 9
 INCMP > 11
 INCMP < 22
-INCMP _*
-