diff --git a/src/flextype/settings.yaml b/src/flextype/settings.yaml
index a12bacac..dc9431ef 100644
--- a/src/flextype/settings.yaml
+++ b/src/flextype/settings.yaml
@@ -73,8 +73,8 @@ entries:
   collections:
     default:
       filename: entry
-      extension: yaml
-      serializer: yaml
+      extension: md
+      serializer: frontmatter
       fields:
         registry:
           enabled: true