diff --git a/argos/tests/screenshot.spec.ts b/argos/tests/screenshot.spec.ts
index 95e88503a4ae..fcc7910a544c 100644
--- a/argos/tests/screenshot.spec.ts
+++ b/argos/tests/screenshot.spec.ts
@@ -60,6 +60,7 @@ function isBlacklisted(pathname: string) {
     // Flaky because of hydration error with docusaurus serve + .html
     '/tests/blog/x/y/z.html',
     '/tests/docs/dummy.html',
+    '/tests/docs/caf%C3%A9.html',
     // Cause weird docusaurus serve errors:
     '/tests/docs/tests/ascii/%C3%A6%C3%B8%C3%A5',
     '/tests/docs/tests/ascii/folder/%C3%A6%C3%B8%C3%A5',
diff --git a/website/_dogfooding/_docs tests/html-slug-non-ascii.mdx b/website/_dogfooding/_docs tests/html-slug-non-ascii.mdx
new file mode 100644
index 000000000000..d2fec12d7860
--- /dev/null
+++ b/website/_dogfooding/_docs tests/html-slug-non-ascii.mdx	
@@ -0,0 +1,7 @@
+---
+slug: café.html
+---
+
+# Doc with a non-ASCII html slug
+
+Opened at `/tests/docs/café.html`, it should render without hydration error.