How do I make a certificate appear in "My Certificates"?

I would like to decrypt a message, I importeda certificate from GPG command line, that certificate is mine, and I know the passphrase for it, but it comes up as Other, and not “My Certificates” and I am unable from within Kleopatra, to decrypt a message encrypted with it with Kleopatra.

How do I make a certificate I imported appear in “My Certificates” when it only appears in “Other”?