Resume Not Working With MKV Files

I’ve set the default select action in Kodi to resume, but when when I play an MKV file to a certain point, stop it, and then play it again, it starts from zero instead of from where I left off at. What am I doing wrong? It worked before with the pre-loaded Kodi build on my Android box, but as I have said before, I just want clean Kodi, so I removed the build and installed Kodi 17.3.