diff --git a/README.md b/README.md
index b1f0b2f..0c028d3 100644
--- a/README.md
+++ b/README.md
@@ -76,6 +76,11 @@ set -g @jump-keys-position 'left'
 set -g @jump-keys-position 'off_left'
 ```
 
+And the keys:
+```
+set -g @jump-keys 'aoeuidhtns'
+```
+
 ## Similar Projects
 
 * [vimium](https://vimium.github.io/)
diff --git a/scripts/tmux-jump.rb b/scripts/tmux-jump.rb
index b78dcbe..834f76e 100755
--- a/scripts/tmux-jump.rb
+++ b/scripts/tmux-jump.rb
@@ -15,7 +15,7 @@
 
 # CONFIG
 KEYS_POSITION = ENV['JUMP_KEYS_POSITION']
-KEYS = 'jfhgkdlsa'.each_char.to_a
+KEYS = ENV['JUMP_KEYS'].each_char.to_a
 Config = Struct.new(
   :pane_nr,
   :pane_tty_file,
diff --git a/scripts/tmux-jump.sh b/scripts/tmux-jump.sh
index 57f140c..d5698ee 100755
--- a/scripts/tmux-jump.sh
+++ b/scripts/tmux-jump.sh
@@ -8,4 +8,5 @@ source $current_dir/utils.sh
 export JUMP_BACKGROUND_COLOR=$(get_tmux_option "@jump-bg-color" "\e[0m\e[32m")
 export JUMP_FOREGROUND_COLOR=$(get_tmux_option "@jump-fg-color" "\e[1m\e[31m")
 export JUMP_KEYS_POSITION=$(get_tmux_option "@jump-keys-position" "left")
+export JUMP_KEYS=$(get_tmux_option "@jump-keys" "jfhgkdlsa")
 ruby "$current_dir/tmux-jump.rb" "$tmp_file"