diff --git a/tmux.conf b/tmux.conf
index 75cd8e4..6a11da4 100644
--- a/tmux.conf
+++ b/tmux.conf
@@ -3,6 +3,7 @@ set-option -g status-position top
 
 set -g mouse on
 set -sg escape-time 0
+set -g focus-events on
 
 set -g base-index 1
 set -g pane-base-index 1