The friction escalated some weeks later when the Bulgarian delegates in London bluntly warned the Serbs that they must not expect Bulgarian support on their Adriatic claims.
Hõõrumine ägenes mõni nädal hiljem, kui Bulgaaria delegaadid Londonis serblasi keerutamata hoiatasid, et nad ei tohi oodata Bulgaaria toetust oma Aadria nõuetele.