diff --git a/haunt/builder/blog.scm b/haunt/builder/blog.scm
index 6a39b64..21b53b9 100644
--- a/haunt/builder/blog.scm
+++ b/haunt/builder/blog.scm
@@ -38,6 +38,8 @@
             theme-post-template
             theme-collection-template
             with-layout
+            render-post
+            render-collection
 
             date->string*