diff --git a/booking/src/main/java/org/dcsa/conformance/standards/booking/BookingScenarioListBuilder.java b/booking/src/main/java/org/dcsa/conformance/standards/booking/BookingScenarioListBuilder.java
index f2462f47..813f122f 100644
--- a/booking/src/main/java/org/dcsa/conformance/standards/booking/BookingScenarioListBuilder.java
+++ b/booking/src/main/java/org/dcsa/conformance/standards/booking/BookingScenarioListBuilder.java
@@ -143,7 +143,7 @@ private static LinkedHashMap<String, BookingScenarioListBuilder> createConforman
                                                                                             .then(
                                                                                               shipperGetBooking(
                                                                                                     COMPLETED)))))),
-                                                        uc10_carrier_declineBooking(AMENDMENT_DECLINED)
+                                                        uc10_carrier_declineBooking(null)
                                                             .then(shipperGetBooking(DECLINED)),
                                                         uc12_carrier_confirmBookingCompleted()
                                                             .then(shipperGetBooking(COMPLETED)))),