Hadith 8:2566
Abu Bakr narrated to us, he said: Abda narrated to us, from Hisham, from his father, that the Prophet (peace and blessings of Allah be upon him) prayed in the House [the Kaaba] facing towards it when he entered it.
حدثنا أبو بكر قال نا عبدة عن هشام عن أبيه أن النبي صلى الله عليه وسلم صلى في البيت تجاهه حين دخله