diff --git a/FreeRTOS/Test/CMock/tasks/tasks_1_utest.c b/FreeRTOS/Test/CMock/tasks/tasks_1_utest.c
index cbfb122b53e..38846abf839 100644
--- a/FreeRTOS/Test/CMock/tasks/tasks_1_utest.c
+++ b/FreeRTOS/Test/CMock/tasks/tasks_1_utest.c
@@ -4538,6 +4538,7 @@ void test_ulTaskGenericNotifyTake_success_yield( void )
     uxListRemove_ExpectAndReturn( &ptcb->xStateListItem, 1 );
     listSET_LIST_ITEM_VALUE_Expect( &ptcb->xStateListItem, xTickCount + 9 );
     vListInsert_Expect( pxDelayedTaskList, &ptcb->xStateListItem );
+    listLIST_IS_EMPTY_ExpectAnyArgsAndReturn( pdTRUE );
     /* API Call */
     ret_gen_notify_take = ulTaskGenericNotifyTake( uxIndexToWait,
                                                    pdFALSE,
@@ -5160,6 +5161,7 @@ void test_xTaskGenericNotifyWait_success_notif_not_received( void )
     listSET_LIST_ITEM_VALUE_Expect( &ptcb->xStateListItem,
                                     xTickCount + xTicksToWait );
     vListInsert_Expect( pxOverflowDelayedTaskList, &ptcb->xStateListItem );
+    listLIST_IS_EMPTY_ExpectAnyArgsAndReturn( pdTRUE );
 
     /* API Call */
     ret = xTaskGenericNotifyWait( uxIndexToWait,
@@ -5249,6 +5251,7 @@ void test_xTaskGenericNotifyWait_success_notif_received_while_waiting( void )
     listSET_LIST_ITEM_VALUE_Expect( &ptcb->xStateListItem,
                                     xTickCount + xTicksToWait );
     vListInsert_Expect( pxOverflowDelayedTaskList, &ptcb->xStateListItem );
+    listLIST_IS_EMPTY_ExpectAnyArgsAndReturn( pdTRUE );
     py_operation = &notif_received;
 
     /* API Call */