diff --git a/README.org b/README.org
index 2a89c7e..98dfab8 100644
--- a/README.org
+++ b/README.org
@@ -1965,17 +1965,25 @@ backward compatibility. See table [[tab:org-latex-class-tag-placeholder]] and ty
         (insert "\\(\\)")
         (backward-char 2)))
 
+    (defun org-active-current-time-stamp ()
+      "Insert an active date-time stamp of the current time."
+      (interactive)
+      (if (fboundp 'org-insert-time-stamp)
+          (org-insert-time-stamp (current-time) 'with-hm)
+        (let ((stamp (format-time-string "<%Y-%m-%d %a %H:%M>" (current-time))))
+          (insert stamp)
+          stamp)))
+
+    (defun org-inactive-current-time-stamp ()
+      "Insert an inactive date-time stamp of the current time."
+      (interactive)
+      (if (fboundp 'org-insert-time-stamp)
+          (org-insert-time-stamp (current-time) 'with-hm 'inactive)
+        (let ((stamp (format-time-string "[%Y-%m-%d %a %H:%M]" (current-time))))
+          (insert stamp)
+          stamp)))
+
     (with-eval-after-load 'org
-      (defun org-active-current-time-stamp ()
-        "Insert an active date-time stamp of the current time."
-        (interactive)
-        (org-insert-time-stamp (current-time) 'with-hm))
-
-      (defun org-inactive-current-time-stamp ()
-        "Insert an inactive date-time stamp of the current time."
-        (interactive)
-        (org-insert-time-stamp (current-time) 'with-hm 'inactive))
-
       (define-key org-mode-map
         (kbd "C-c <SPC>") #'org-inactive-current-time-stamp)
       (define-key org-mode-map