diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 1a2508274..f4800f05c 100755
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,9 +1,5 @@
 2010-04-24  Carsten Dominik  <carsten.dominik@gmail.com>
 
-	* org-html.el (org-export-as-html, org-html-level-start):
-	Change the dot in section numbers to underscore, to get valid
-	CSS class names.
-
 	* org-table.el (org-table-justify-field-maybe): Make sure that
 	inserting a value does not turn a line into a hline.
 
diff --git a/lisp/org-html.el b/lisp/org-html.el
index 133bffab3..71f62ebfd 100644
--- a/lisp/org-html.el
+++ b/lisp/org-html.el
@@ -871,9 +871,7 @@ lang=\"%s\" xml:lang=\"%s\">
 					      t t line)))
 				(while (string-match "&lt;\\(&lt;\\)+\\|&gt;\\(&gt;\\)+" txt)
 				  (setq txt (replace-match "" t t txt)))
-				(setq href
-				      (replace-regexp-in-string
-				       "\\." "_" (format "sec-%s" snumber)))
+				(setq href (format "sec-%s" snumber))
 				(setq href (or (cdr (assoc href org-export-preferred-target-alist)) href))
 				(push
 				 (format
@@ -2087,11 +2085,8 @@ When TITLE is nil, just close all open levels."
 			 " " title)))
 	(unless (= head-count 1) (insert "\n</div>\n"))
 	(setq href (cdr (assoc (concat "sec-" snumber) org-export-preferred-target-alist)))
-	(setq suffix (or href
-			 (replace-regexp-in-string "\\." "_" snumber)))
-	(setq href (or href
-		       (replace-regexp-in-string
-			"\\." "_" (concat "sec-" snumber))))
+	(setq suffix (or href snumber))
+	(setq href (or href (concat "sec-" snumber)))
 	(insert (format "\n<div id=\"outline-container-%s\" class=\"outline-%d%s\">\n<h%d id=\"%s\">%s%s</h%d>\n<div class=\"outline-text-%d\" id=\"text-%s\">\n"
 			suffix level (if extra-class (concat " " extra-class) "")
 			level href