diff --git a/services/registration/main.vis b/services/registration/main.vis
index 7e1c9bf..7a27808 100644
--- a/services/registration/main.vis
+++ b/services/registration/main.vis
@@ -1,6 +1,6 @@
 LOAD set_default_voucher 8
 RELOAD set_default_voucher
-LOAD check_balance 64
+LOAD check_balance 128
 RELOAD check_balance
 LOAD check_vouchers 10
 RELOAD check_vouchers