The back door fell off

On the back of my Minolta x370s the screw that holds the door to insert the film has come off and I don’t know how to fix it. Please help!!

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0