Any suggestions for keeping a dog from eating the cat's food?

Introducing a roommate's dog to my cat and oddly enough the major problem between the two is that the dog will not stay out of the cat's food. The dog has an ample supply of food, and is given treats through out the day, but the second food is given to the cat, the dog rushes in like he's starving to... show more Introducing a roommate's dog to my cat and oddly enough the major problem between the two is that the dog will not stay out of the cat's food. The dog has an ample supply of food, and is given treats through out the day, but the second food is given to the cat, the dog rushes in like he's starving to death.

My roommate's scolded him and shown him back to his dish, but that hasn't worked.

Any suggestions?
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