Cristiano Ronaldo scored a late penalty to seal a 2-1 win over Lazio that moves Juventus 11 points clear at the top of Serie A.
The hosts had the better of the first half but could not break the deadlock.
Daniele Rugani was forced to clear off his own line, while goalkeeper Wojciech Szczu0119sny made a fine stop from Marco Parolo.
Juventus also lost centre-back Leonardo Bonucci to injury in the first half, and Giorgio Chiellini replaced the 31-year-old in the heart of the defence.
Lazio deservedly went ahead just before the hour mark when Emre Can headed Luis Alberto's corner past Szczesny
The hosts had chances to double their advantage, but Ciro Immobile, Alberto and Sergej Milinkovic-Savic all fired good opportunities off target.