diff --git a/src/test/java/alfio/manager/TicketReservationManagerTest.java b/src/test/java/alfio/manager/TicketReservationManagerTest.java
index c26064495c..64e6312bb8 100644
--- a/src/test/java/alfio/manager/TicketReservationManagerTest.java
+++ b/src/test/java/alfio/manager/TicketReservationManagerTest.java
@@ -158,6 +158,7 @@ void init() {
         when(ticketReservation.getDiscountCts()).thenReturn(0);
         when(ticketReservation.getCurrencyCode()).thenReturn("CHF");
         when(ticketReservationRepository.findReservationById(RESERVATION_ID)).thenReturn(ticketReservation);
+        when(ticketReservationRepository.getAdditionalInfo(any())).thenReturn(mock(TicketReservationAdditionalInfo.class));
         organization = mock(Organization.class);
         TicketSearchRepository ticketSearchRepository = mock(TicketSearchRepository.class);
         GroupManager groupManager = mock(GroupManager.class);