Yes mine came like that I jest drilled 2 x 3/16 holes got a small hack saw and chopped a slot in it then gentally gave it a quick file looks as good as new
 
Done the fabia conversion but there is no hole for the water to spray on the cap the original will not fit with the fabia wiper

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The problem here is that you have to get the wiper blade & arm from a Fabia hatchback but the cover from a Fabia estate.
The Fabia estate cover has the same slot in it that the leon original has ;)