diff --git a/tmux/tmux.conf b/tmux/tmux.conf
index 989e659..058a7c6 100644
--- a/tmux/tmux.conf
+++ b/tmux/tmux.conf
@@ -3,6 +3,8 @@ set -ag terminal-overrides ",xterm-256color:RGB"
 
 set -s escape-time 0
 
+set-option -g focus-events on
+
 unbind C-b
 set-option -g prefix C-s
 bind-key C-s send-prefix