Described is a pharmaceutical solution suitable for peroral administration comprising aripiprazole, a pharmaceutically suitable solvent system, at least one taste-enhancing/masking agent and at least one further agent selected from the group consisting of lactic acid, acetic acid, tartaric acid and citric acid, wherein said solution has a pH from 2.5 to 4.5, whereby the pharmaceutically suitable solvent system is comprised of water and at least one agent chosen from the group consisting of ethanol, glycerol, propylene glycol and sorbitol.Described is a pharmaceutical solution suitable for peroral administration comprising aripiprazole, a pharmaceutically suitable solvent system, at least one taste-enhancing/masking agent and at least one further agent selected from the group consisting of lactic acid, acetic acid, tartaric acid and citric acid, wherein said solution has a pH from 2.5 to 4.5, whereby the pharmaceutically suitable solvent system is comprised of water and at least one agent chosen from the group consisting of ethanol, glycerol, propylene glycol and sorbitol.