diff --git a/lisp/org-compat.el b/lisp/org-compat.el
index 53fe56ab9..975b360fb 100644
--- a/lisp/org-compat.el
+++ b/lisp/org-compat.el
@@ -34,6 +34,8 @@
 (require 'seq)
 (require 'org-macs)
 
+(eval-when-compile (require 'subr-x))  ; Emacs < 28
+
 ;; We rely on org-compat when generating Org version.  Checking Org
 ;; version here will interfere with Org build process.
 ;; (org-assert-version)