diff --git a/lisp/org.el b/lisp/org.el
index 777850a..ee0b88c 100644
--- a/lisp/org.el
+++ b/lisp/org.el
@@ -19992,7 +19992,7 @@ clocking lines, and drawers."
 		    "\\|"
 		    "\\([ \t]*\\(" org-keyword-time-regexp "\\)\\)")))
     (forward-line 1)
-    (while (looking-at (concat "[ \t]*\\(" org-keyword-time-regexp "\\)"))
+    (while (looking-at re)
       (if (not (match-end 1))
 	  ;; empty or planning line
 	  (forward-line 1)