diff --git a/.tmux.conf.local b/.tmux.conf.local
index 1237ed5..e967a6c 100644
--- a/.tmux.conf.local
+++ b/.tmux.conf.local
@@ -385,6 +385,9 @@ tmux_conf_urlscan_options="--compact --dedupe"
 #set -g status-keys vi
 #set -g mode-keys vi
 
+# enable entended-keys
+set -s extended-keys always
+
 # replace C-b by C-a instead of using both prefixes
 set -gu prefix2
 unbind C-a
diff --git a/.zshrc.local b/.zshrc.local
index d07038b..29c0e9c 100644
--- a/.zshrc.local
+++ b/.zshrc.local
@@ -31,12 +31,6 @@ fi
 #     source "${HOME}/.iterm2_shell_integration.zsh"
 # fi
 
-# For Tmux
-if [ -n "$TMUX" ]; then
-    # Enable extended-keys
-    printf '\033[>4;1m'
-fi
-
 # For Emacs vterm
 if [ -n "$INSIDE_EMACS" ]; then
     DISABLE_AUTO_TITLE="true"