He said: “After taking the lead paradoxically we froze up and made two stupid errors. We had lost our identity for those decisive five or 10 minutes.
“We cannot afford that kind of slip-up at the moment and have to be on alert the whole time.
“We can’t cry over spilt milk now and must focus on working together to get back on track against Real Madrid on Tuesday and turning around this negative trend.”
Claudio Ranieri is inevitably under fire following a second straight Serie A defeat, but Chiellini stood by his tactician.
“I find it ridiculous to blame the Coach when you look at our injury list, as there were only 14 available players today.”