diff --git a/config-exwm.org b/config-exwm.org
index 2d05fc6..918a44b 100644
--- a/config-exwm.org
+++ b/config-exwm.org
@@ -11,6 +11,7 @@
   (require 'side-window-split)
   (define-key *window-map* (kbd "j") 'side-bottom-window)
   (define-key *window-map* (kbd "h") 'side-left-window)
+  (define-key *window-map* (kbd "k") 'side-top-window)
   (define-key *window-map* (kbd "l") 'side-right-window)
   (define-key *window-map* (kbd "d") 'side-window-delete-all)
   (define-key *window-map* (kbd "r") 'resize-window)
diff --git a/lisp/side-window-split.el b/lisp/side-window-split.el
index 98d6c48..42f82a8 100644
--- a/lisp/side-window-split.el
+++ b/lisp/side-window-split.el
@@ -53,6 +53,10 @@
   (interactive)
   (side-window-op 'bottom (incf bottom-side-window-count)))
 
+(defun side-top-window ()
+  (interactive)
+  (side-window-op 'top (incf bottom-side-window-count)))
+
 (defun side-window-delete-all ()
   (interactive)
   (setq left-side-window-count -1