Real Madrid boss Zinedine Zidane replaced Ronaldo eight minutes from time during his side's 2-2 draw with Levante and one of the TV cameras zoomed in on the Portuguese on the bench.
Ronaldo spotted the camera and turned to it, putting his fingers over
"Not this," he was seen to be saying, according to MARCA.
The former Manchester United man then gestured for the camera to film the action on the pitch, not him.
Isco slotted home after 81 minutes after Emmanuel Boateng earlier cancelled out Sergio Ramos' opener for Real but Giampaolo Pazzini earned Levante a point after he was played in behind the Real defence
, one minute from time.
If Barcelona edge Espanyol on Sunday afternoon then Ronaldo and his team-mates will find themselves 21 points behind the league leaders. Never before have Real Madrid been that far behind the Blaugrana in the league table, although they were once 21 points behind Atletico Madrid.