diff --git a/news/1864.bugfix b/news/1864.bugfix
index 0f1f69ff1..9e63a64ab 100644
--- a/news/1864.bugfix
+++ b/news/1864.bugfix
@@ -1 +1 @@
-Fix the context navigation bug that occurs when a file type is unknown. @mamico
+In the `@contextnavigation` endpoint, return `"icon": null` for Files with a mimetype not found in the `content_type_registry`, instead of raising `TypeError`. @mamico