diff --git a/lisp/gnus/ChangeLog b/lisp/gnus/ChangeLog
index 9d9a86ca406..0923ed4db96 100644
--- a/lisp/gnus/ChangeLog
+++ b/lisp/gnus/ChangeLog
@@ -1,3 +1,7 @@
+2012-06-18  Nelson Ferreira  <nelson.ferreira@ieee.org>  (tiny change)
+
+	* gnus-win.el (gnus-configure-frame): Pass an arg to window-dedicated-p.
+
 2012-06-17  Toke Høiland-Jørgensen  <toke@toke.dk>  (tiny change)
 
 	* nnmaildir.el (nnmaildir-request-expire-articles): Ensure that `time'
diff --git a/lisp/gnus/gnus-win.el b/lisp/gnus/gnus-win.el
index efe2a319854..bd9ea10fdc4 100644
--- a/lisp/gnus/gnus-win.el
+++ b/lisp/gnus/gnus-win.el
@@ -273,7 +273,9 @@ See the Gnus manual for an explanation of the syntax used.")
 	      (cond
                ((eq buf (window-buffer (selected-window)))
                 (set-buffer buf))
-               ((eq t (window-dedicated-p))
+               ((eq t (window-dedicated-p
+		       ;; XEmacs version of `window-dedicated-p' requires it.
+		       (selected-window)))
                 ;; If the window is hard-dedicated, we have a problem because
                 ;; we just can't do what we're asked.  But signaling an error,
                 ;; like `switch-to-buffer' would do, is not an option because