diff --git a/lib/pleroma/constants.ex b/lib/pleroma/constants.ex
index 7343ef8c3..234dde1c9 100644
--- a/lib/pleroma/constants.ex
+++ b/lib/pleroma/constants.ex
@@ -38,7 +38,8 @@ defmodule Pleroma.Constants do
       "summary",
       "sensitive",
       "attachment",
-      "generator"
+      "generator",
+      "contentMap"
     ]
   )