diff --git a/tmux/tmux.conf b/tmux/tmux.conf
index fc654ba..fce168d 100644
--- a/tmux/tmux.conf
+++ b/tmux/tmux.conf
@@ -1,4 +1,5 @@
 set -g mouse on
+set -g focus-events on
 set -g history-limit 50000
 set -g base-index 1
 setw -g pane-base-index 1