The invention relates to a coated tablet comprising tianeptine or pharmaceutically acceptable salt thereof as active ingredient, ethylcellulose present in the core of the tablet and at least one pharmaceutically acceptable excipient. The invention further relates to a process for the manufacture of a coated tablet comprising tianeptine or pharmaceutically acceptable salt thereof comprising blending tianeptine or pharmaceutically acceptable salt thereof and at least one pharmaceutically acceptable excipient, granulating thus obtained blend with a solution or suspension of ethylcellulose and compressing the granules to tablet cores.
