# HTTP/3 option serves the server default self-signed certificate over QUIC (14537)

**Project:** Bugs | **Votes:** 1
**URL:** https://roadmap.ploi.io/projects/7-bugs/items/1590-http3-option-serves-the-server-default-self-signed-certificate-over-quic-14537

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HTTP/3 enabled on Let's Encrypt certificates serves the wrong (expired self-signed) certificate over QUIC because the QUIC listener is not configured in the site's server block, causing HTTP/3 to fail silently or show certificate warnings in Safari.