diff --git a/.lycheeignore b/.lycheeignore
index 3c0e4d958..767906b16 100644
--- a/.lycheeignore
+++ b/.lycheeignore
@@ -8,3 +8,6 @@ https://codepen.io
 https://mkdocs.org/
 https://osawards.com/javascript/#nominees
 https://osawards.com/javascript/2019
+
+# Don't check files that are generated during the build via `pnpm docs:code`
+packages/mermaid/src/docs/config/setup/*