On 22 December 1913, he was appointed to the commander of the V Corps. His corps engaged in the defense of Gallipoli. On 2 March 1915, he was promoted to the rank of Mirliva. He arrived at the Gallipoli Front on 13 July and command his corps in battles of Achi Baba ("İkinci Kerevizdere Muharebesi") and Sari Bair. On 8 August, his younger brother, the commander of the 1st Company of the 2nd Battalion of the 64th Regiment, Lieutenant Mehmed Nazif Efendi was killed in action in the Battle of Chunuk Bair.