The only goal of the match came in the 73rd minute.
Marcelo fell in the penalty area at a close match and after the video investigation, referee Jose Luis Gonzalez pointed to the penalty spot. Sergio Ramos pushed 1-0 to Real Madrid.
The victory means Real Madrid have 77 points after 34 rounds, the club tops five sticks before second Barcelona who face Villarreal on away ground later tonight.