my update/calculate widget not working properly

I am trying to record which lagnuage user selected in a multilanguage form. I used language slection, condition if language slection equals to value...  then calculate field's value into hidden field Language 

But on selection of a language, i get this result :

EnglishEnglishEnglishEnglishEnglishEnglishEnglishEnglishEnglishEnglishNorwegianNorwegianNorwegianNorwegianNorwegianN

What am I doing wrong?

Hi,

Thank you for contacting us.

You must delete "Jezik" field on "DO" part for solving this issue. Your  Update/Calculate conditions must be like: 

I have cloned your form and tested on my side. Everything works properly. As you can see below my submission's screen shot:

Please edit your all conditions and try again. 

If you have still a problem, please do not hesitate to contact us.

Thank you for swift reply. I tried it and even deleted all those conditions and rewrote them (snip below), but answer is still: 

Hi,

I have sent a test submission to your form (please ignore it). However, I could not replicate the same issue with you.

Here is my test submission:

Also, I have cleared your form caches.

Please try again and if you still have a problem, feel free contact us.

It seems clearing form cache did it, because your response has been properly recorded.

Thank you!