The invention relates to a solid pharmaceutical composition comprising lacidipine and polyvinylpyrrolidone, wherein the weight ratio of lacidipine to polyvinylpyrrolidone is about 10/90. The invention also relates to a process for preparing said composition comprises the step of: a) providing a solution of polyvinylpyrrolidone and lacidipine in a polar solvent, b) spraying the solution of step a) onto a solid diluent, so as to obtain granules, c) optionally, adding to the granules obtained in step b) at least one additional excipient preferably selected from a glidant, a lubricant, a diluent and combinations thereof, and d) shaping the resulting granules into a solid form, preferably into a tablet.