diff --git a/lisp/gnus/message.el b/lisp/gnus/message.el
index adefa0efd6..62cbc754bd 100644
--- a/lisp/gnus/message.el
+++ b/lisp/gnus/message.el
@@ -7983,7 +7983,7 @@ message-tool-bar-gnome
 
 (defcustom message-tool-bar-retro
   '(;; Old Emacs 21 icon for consistency.
-    (message-send-and-exit "gnus/mail-send")
+    (message-send-and-exit "mail/send")
     (message-kill-buffer "close")
     (message-dont-send "cancel")
     (mml-attach-file "attach" mml-mode-map)