It was the Chelsea fans who could be heard above the nervous murmurs of the home crowd as Real went into the half-time break without a shot on target to their name - the first time the Spanish side have fired a blank of this sort in the Champions League since Opta first recorded stats.
David Alaba's crucial interception fell right to Marcelo, who quickly found Modric.
They'll now face the winner of Manchester City and Atletico Madrid for the right to go the final in Paris.