diff --git a/priv/repo/migrations/20190324222404_add_thread_visibility_function.exs b/priv/repo/migrations/20190515222404_add_thread_visibility_function.exs
similarity index 97%
rename from priv/repo/migrations/20190324222404_add_thread_visibility_function.exs
rename to priv/repo/migrations/20190515222404_add_thread_visibility_function.exs
index 11aa47e83..a3f717b89 100644
--- a/priv/repo/migrations/20190324222404_add_thread_visibility_function.exs
+++ b/priv/repo/migrations/20190515222404_add_thread_visibility_function.exs
@@ -21,8 +21,9 @@ defmodule Pleroma.Repo.Migrations.AddThreadVisibilityFunction do
 
       LOOP
         --- Ensure that we have an activity before continuing.
+        --- If we don't, the thread is not satisfiable.
         IF activity IS NULL THEN
-          RETURN true;
+          RETURN false;
         END IF;
 
         --- We only care about Create activities.