Riera insists he is more than happy at Liverpool despite his recent outburst against manager Rafa Benitez.
“Negotiations with Spartak Moscow are stalled, my intention is to decide my future in the summer,” he told Spanish newspaper Marca.
“I want to continue my career at Liverpool because it is one of the best clubs in the world.
“The feeling is spectacular, we have a great stadium and I feel very good at Liverpool.
“I speak with Fernando Torres and (Jose) Reina and agree on the greatness of Liverpool.”