diff --git a/src/edown.app.src b/src/edown.app.src
index 2dc5f4b..f12835c 100644
--- a/src/edown.app.src
+++ b/src/edown.app.src
@@ -20,5 +20,6 @@
   {vsn, git},
   {description, "Markdown extension for EDoc"},
   {applications, [kernel, stdlib, edoc]},
+  {registered, []},
   {env, []}
  ]}.