Rollback of primary key with named index doesn't work

Hello!

I run liquibase against an oracle 11g databas, I have a primary key based on a unique index
when i try to rollback i get

ORA-01418: specified index does not exist
 [Failed SQL: DROP INDEX Table.T_PK]

when i checked SQL generated by rollback i discovered that two command generated by liquibase the first drops the primary key with the index then the second command tries to delete an index with doesn’t exist.

  ALTER TABLE schema.table DROP PRIMARY KEY DROP INDEX;
 
  DROP INDEX schema.T_PK;

any suggestions to come around this issue or is it going to be fixed in 3.5.2?

Regards
Raste