diff --git a/.tmux.conf b/.tmux.conf
index ca40bd8..30b7960 100644
--- a/.tmux.conf
+++ b/.tmux.conf
@@ -72,6 +72,7 @@ bind BTab switch-client -l  # move to last session
 bind - split-window -v
 # split current window vertically
 bind _ split-window -h
+bind | split-window -h
 
 # pane navigation
 bind -r h select-pane -L  # move left