This version was used until 2004, when the team restored the Olympic rings and replaced the bulls with the Homa, a mythological bird and symbol used in the architecture of Persepolis. During the 2011–2012 season, and before 74th Tehran derby, the club released a new version of its logo This current version of the club’s logo incorporates the previous version into a red shield-shaped frame and includes the name of Persepolis in Persian and English.