TTS re-read after add addons Fill the blank

I installed the add-on - Fill the blanks - Multiple type:cloze support and since then the tss is read twice even though I have the command entered once on the back card.

Do you have any ideas what could be triggering the re-read when cards show answers?

My back site of card looking that

<centar>{{tts hr_HR voices=Microsoft_Matej:cloze:Tekst}}
{{cloze::Tekst}}
<hr id=answer>
<p>
<div class=tlumaczenie>
{{Tłumaczenie}}</div>