These people are now known to have spoken Bactrian, an Eastern Iranian language that is quite distinct from the Tocharian languages, and Müller's identification is now a minority position among scholars.
Mereka diketahui menuturkan bahasa Baktria, suatu bahasa Iran Timur yang cukup berbeda dari bahasa Tokharia, dan identifikasi Müller kini menjadi posisi minoritas di kalangan sejarawan.