Is adding zucchini to potato pancakes recipe fine?

I'd let you know how to make the zucchini potato pancakes. The ingredients for the same are as follows- Zucchini, coarsely grated- ( 4 medium), Onion, grated- (3 small), All purpose flour- (4 tablespoon), Egg, lightly beaten- (3), Sour cream, Potatoes, peeled and finely shredded- (3 large), Salt to taste, Cornmeal- (4 tablespoons), Oil for deep frying. Method:- In a sieve or colander, drain zucchini, squeezing to remove excess liquid. Place zucchini in a bowl and add potato and onion. Stir in the cornmeal, flour, salt and egg mix very well. Now, coat the bottom of a skillet with oil. Add 2 tablespoons batter. It should be followed by pressing lightly to flatten. Cook over medium heat until golden brown, about 4-5 minutes on each side. And repeat with remaining batter. Serve hot with sour cream. Tuck in!