somebody’s heart is in the right place
From Longman Dictionary of Contemporary Englishsomebody’s heart is in the right placesomebody’s heart is in the right placeinformalKIND used to say that someone is really a kind person and has the right feelings about something important I don’t think his idea will work, though his heart’s in the right place. → heartExamples from the Corpussomebody’s heart is in the right place• He can be rude and bad-tempered sometimes, but his heart's in the right place.• Mike's a little grouchy sometimes, but his heart's in the right place.