diff --git a/pkg/base-dev/mar/noun.hoon b/pkg/base-dev/mar/noun.hoon
index 5c798d3c2a..f5aba873e0 100644
--- a/pkg/base-dev/mar/noun.hoon
+++ b/pkg/base-dev/mar/noun.hoon
@@ -8,6 +8,9 @@
 ++  grab  |%
           ++  noun  *
           --
+++  grow  |%
+          ++  mime  [/application/octet-stream (as-octs:mimes:html (jam non))]
+          --
 ++  grad
   |%
   ++  form  %noun