2 files changed, 8 insertions, 1 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 32393579676..b77dee17d56 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,8 @@
+2008-12-04  Juanma Barranquero  <lekktu@gmail.com>
+
+        * ibuffer.el (ibuffer-sort-bufferlist): Require ibuf-ext
+        if the sorting functions are not loaded.  (Bug#1432)
+
 2008-12-04  Sam Steingold  <sds@gnu.org>
 
         * progmodes/compile.el (compilation-read-command): Extracted from
@@ -11817,7 +11822,6 @@
         systems without 12 months per year.
 
         (calendar-date-is-visible-p): Doc fix.  Simplify.
-
         * calendar/holidays.el (holiday-filter-visible-calendar): Return result
         from dolist.
 
diff --git a/lisp/ibuffer.el b/lisp/ibuffer.el
index 262f2ad73ab..2aeaf7e1111 100644
--- a/lisp/ibuffer.el
+++ b/lisp/ibuffer.el
@@ -2191,6 +2191,9 @@ If optional arg SILENT is non-nil, do not display progress messages."
              ibuffer-header-line-format)))
 
 (defun ibuffer-sort-bufferlist (bmarklist)
+  (unless ibuffer-sorting-functions-alist
+    ;; make sure the sorting functions are loaded
+    (require 'ibuf-ext))
   (let* ((sortdat (assq ibuffer-sorting-mode
                         ibuffer-sorting-functions-alist))
          (func (caddr sortdat)))