Cleanse no longer removes Supress.............

I was playing a ranked game today and came across a heavy cc team so I picked up cleanse, alas what happens 15 mins into the game im fed and decide to 1v1 the not so fed WW. He suppresses me I cannot cleanse, and alas I am melted, at first I thought to myself maybe I fat fingered a different button, fins him again 1v1 same thing he ults me and I cannot Cleanse..........fix it nao plox