diff --git a/tmux/tmux.conf b/tmux/tmux.conf
index dd646cc..622a292 100644
--- a/tmux/tmux.conf
+++ b/tmux/tmux.conf
@@ -15,10 +15,10 @@ bind-key ^S split-window
 
 # Pane resize in all four directions using vi bindings.
 # Can use these raw but I map them to shift-ctrl-<h,j,k,l> in iTerm.
-bind-key J resize-pane -D
-bind-key K resize-pane -U
-bind-key H resize-pane -L
-bind-key L resize-pane -R
+bind -r H resize-pane -L 5
+bind -r J resize-pane -D 5
+bind -r K resize-pane -U 5
+bind -r L resize-pane -R 5
 
 # Use vi keybindings for tmux commandline input.
 # Note that to get command mode you need to hit ESC twice...