Cian Healy has been suspended for two weeks for striking Toulon hooker Guilhem Guirado with his knee.
The Leinster prop originally had a two-week ban overturned, but an independent judicial officer reinstated the ban at a hearing in London today.
Healy was not named in the Leinster matchday squad for tomorrow's meeting with Connacht, and he will now miss next week's trip to Ospreys as well.
But the Ireland international will be free in Leinster's final two Champions Cup pool matches if required.
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