He regains his command and his dignity, even rising to president of the Society of Sober Sailors (The Shooting Star), but never gives up his love for rum and whisky, especially Loch Lomond, until the final Tintin adventure, Tintin and the Picaros, when Professor Calculus 'cures' him of his taste for alcohol. In the adventure Secret of the Unicorn (and continuing in Red Rackham's Treasure) he and Tintin travel to find a pirate's treasure captured by his ancestor, Sir Francis Haddock (François de Hadoque in French). With newfound wealth and regaining his ancestral home Marlinspike Hall, Captain Haddock becomes a socialite; riding a horse, wearing a monocle, and sitting in a theatre box seat (The Seven Crystal Balls).