diff --git a/lib/server/readMetadata.js b/lib/server/readMetadata.js
index e99178abf2b2..4a64ab301f30 100644
--- a/lib/server/readMetadata.js
+++ b/lib/server/readMetadata.js
@@ -26,6 +26,7 @@ const SupportedHeaderFields = new Set([
   'sidebar_label',
   'original_id',
   'hide_title',
+  'layout',
 ]);
 
 // Can have a custom docs path. Top level folder still needs to be in directory