diff --git a/services/registration/pay_debt.vis b/services/registration/pay_debt.vis
index 325a256..eee4b2c 100644
--- a/services/registration/pay_debt.vis
+++ b/services/registration/pay_debt.vis
@@ -3,4 +3,5 @@ RELOAD calculate_pay_debt
 MAP calculate_pay_debt
 MOUT back 0
 HALT
+INCMP _ 0
 INCMP confirm_debt_removal *