diff --git a/.stumpwmrc b/.stumpwmrc
index e2f6662..8c258e7 100644
--- a/.stumpwmrc
+++ b/.stumpwmrc
@@ -127,9 +127,15 @@
               (format-expand *window-formatters* *window-format*
                                    (current-window)))))
 
-(set-prefix-key (kbd "C-z"))
+(set-prefix-key (kbd "C-i"))
 
 (define-key *top-map* (kbd "C-M-l") "run-i3lock")
+(define-key *top-map* (kbd "KP_Begin") "vsplit")
+(define-key *top-map* (kbd "KP_Divide") "remove")
+(define-key *top-map* (kbd "KP_Left") "only")
+(define-key *top-map* (kbd "KP_Multiply") "fnext")
+(define-key *top-map* (kbd "KP_Right") "hsplit")
+(define-key *top-map* (kbd "KP_End") "pull-hidden-next")
 
 (define-key *root-map* (kbd "c") "raise-urxvt")
 (define-key *root-map* (kbd "C") "run-urxvt")