Iatrogenic esophageal perforations are rare but associated with a high morbidity and mortality. Secondary to placing a Sengstaken ballon are even more extraordinary because of the infrequency which this measure is used to control upper gastrointestinal bleeding. Therefore, we think it is of interest to communicate this complication, to remember the need to check the correct placement of the Sengstaken ballon before insufflation, since it would help further decrease this complication.