diff --git a/global.org b/global.org
index 393f44e..24be21e 100644
--- a/global.org
+++ b/global.org
@@ -227,11 +227,7 @@
     #+begin_src emacs-lisp
       (add-to-list 'display-buffer-alist
                    '("\\*mu4e-headers\\*"
-                     (display-buffer-in-side-window)
-                     (dedicated . t)
-                     (side . top )
-                     (slot . 0)
-                     (window-height . 40)))
+                     (display-buffer-reuse-window)))
     #+end_src
     Then, treat the ~calendar~
     #+begin_src emacs-lisp