diff --git a/oni-org/oni-org.el b/oni-org/oni-org.el
index ebb29ee..9049e95 100644
--- a/oni-org/oni-org.el
+++ b/oni-org/oni-org.el
@@ -466,6 +466,11 @@ also move point to the start of the heading."
           (oni-org-create-chapter-heading book-name chapter-name notes-file))
       (oni-org-create-chapter-section chapter-name notes-file))))
 
+(defun oni-org-todo-maybe-hide-body ()
+  "Hide the current outline body if ‘org-state’ is a DONE state."
+  (when (member org-state org-done-keywords)
+    (outline-hide-body)))
+
 (setq org-todo-keywords
       '((sequence "TODO(t)" "WIP" "BLOCKED(b@)" "|" "DONE(d!)")
         (sequence "READ(r)" "READING(!)" "|" "FINISHED(!)" "STOPPED(@)")
@@ -473,6 +478,8 @@ also move point to the start of the heading."
         (sequence "LISTEN(l)" "LISTENING" "|" "DONE(d!)")
         (sequence "|" "CANCELLED(c@)")))
 
+(add-hook 'org-after-todo-state-change-hook 'oni-org-todo-maybe-hide-body)
+
 (setf (alist-get 'file org-link-frame-setup) 'find-file)
 
 (add-to-list 'org-modules 'org-habit)