diff --git a/init.el b/init.el
index 877180e..c3b0eff 100644
--- a/init.el
+++ b/init.el
@@ -3153,6 +3153,9 @@ R is rest of the arguments to OLDFUN."
   (advice-add 'org-table-header-line-mode :around
               'my/-org-allow-in-derived-mode)
   :config
+  ;; zero-width-space entity
+  (add-to-list 'org-entities-user
+               '("zwsp" "\\hspace{0pt}" nil "&#8203" "​" nil "​"))
   ;; org-babel stuff
   (org-babel-do-load-languages
    'org-babel-load-languages