# Unconfirmed Bug: q-Values in Accept-Language Header prevents search results

**URL:** <https://discuss.elastic.co/t/unconfirmed-bug-q-values-in-accept-language-header-prevents-search-results/376540>\
**Category:** Elasticsearch\
**Created:** [March 28, 2025, 4:35pm UTC](https://discuss.elastic.co/t/unconfirmed-bug-q-values-in-accept-language-header-prevents-search-results/376540 "2025-03-28T16:35:27Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![freezernick](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/freezernick/32/142323_2.png) [@freezernick](https://discuss.elastic.co/u/freezernick)\
**Post date:** [March 28, 2025, 4:35pm UTC](https://discuss.elastic.co/t/unconfirmed-bug-q-values-in-accept-language-header-prevents-search-results/376540/1 "2025-03-28T16:35:27Z")

</div>

I have a simple search query that works in all browsers except FF desktop.  
I could narrow it down to the q-Values of the Accept-Language Header from FF.

`de,en-US;q=0.7,en;q=0.3` -\> no results  
`de,en-US;` -\> results

I'm not sure if this is a (known) bug in elastic.

We are on Elastic 7.17