On the contrary. Mispronouncing a word shows that you learned it through reading and that is to be celebrated, not mocked. You should simply acknowledge this fact and make it a badge of pride.
Well said. I am not english but I get by but I struggled when recently used the word "chasm". I pronounced the 'cha' as in chat. Oh boy, was I wrong. So eventually, after spelling it out my listener got me.
She is my wife and she smiled. She knew I had learnt it through reading.