Nušić was quick to criticize the conduct of the Serbian Supreme Command during the war, which ended in a Bulgarian victory. He outlined his objections in the book "Pripovetke jednog kaplara iz srpsko–bugarskog rata 1885" (The Stories of a Corporal from the Serbo–Bulgarian War of 1885), which was published in 1886. He went on to spend one year's study at the University of Graz in Austria-Hungary. In 1887, Nušić published a poem titled "Dva raba" ("Two Servants"), which ridiculed the Serbian King Milan for attending the funeral of an unpopular general's mother rather than that of , an officer who died of wounds sustained while saving his regiment's flag. Nušić was subsequently arrested, convicted of "lèse-majesté" and sentenced to two year's imprisonment. He served his sentence at a prison in Požarevac but was released after only one year due to good behaviour.