diff --git a/tmux/.tmux.conf b/tmux/.tmux.conf
index 326bd92..1e4b22a 100644
--- a/tmux/.tmux.conf
+++ b/tmux/.tmux.conf
@@ -65,8 +65,8 @@ set-option -g repeat-time 0
 set -s escape-time 0
 set -g history-limit 50000
 set -g display-time 750
-set -g default-terminal "screen-256color"
+set -g default-terminal "xterm-256color"
 set -g extended-keys on
-set -as terminal-features ",screen-256color:extkeys"
+set -as terminal-features ",xterm-256color:extkeys"
 set -g focus-events on
 setw -g aggressive-resize on
diff --git a/zsh/.zshrc b/zsh/.zshrc
index a9ad013..d13c8a7 100644
--- a/zsh/.zshrc
+++ b/zsh/.zshrc
@@ -13,6 +13,9 @@ setopt HIST_SAVE_NO_DUPS      # don't save duplicates
 setopt SHARE_HISTORY          # share history across sessions
 
 bindkey -e # emacs bindings
+bindkey '\e[3~' delete-char        # Delete key
+bindkey '\e[1;3C' forward-word     # Alt+Right
+bindkey '\e[1;3D' backward-word    # Alt+Left
 
 # Completion
 autoload -Uz compinit && compinit