Other mistake: When they are in San Francisco, notice the pianist. The keys he presses don't correspond with the notes he's supposedly playing. It's a little bit obvious that the music was recorded in advance.
Other mistake: When the Id creature is melting through the door and Morbius is denying he subconsciously created it, the Commander draws his blaster giving the impression he will kill Morbius to save them if necessary. But Robby deactivated the blaster just a few scenes prior. Was he going to beat Morbius to death with it?
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Suggested correction: That was a moment of desperation, so he wasn't thinking, and, well, yes anyway.