diff --git a/tmux.conf b/tmux.conf
index 7ded1c6..8ebb489 100644
--- a/tmux.conf
+++ b/tmux.conf
@@ -10,4 +10,4 @@ bind-key a send-prefix
 set -g base-index 1
 #Faster command sequence
 set -s escape-time 0
-
+set -g bell-action any # listen for activity on all windows