diff --git a/tmux/tmux.conf.symlink b/tmux/tmux.conf.symlink
index 5574a42..7d1c91f 100644
--- a/tmux/tmux.conf.symlink
+++ b/tmux/tmux.conf.symlink
@@ -54,6 +54,9 @@ set -g visual-activity off
 bind | split-window -h
 bind - split-window -v
 
+# synchronize all panes in a window
+bind z setw synchronize-panes
+
 # pane movement shortcuts
 bind h select-pane -L
 bind j select-pane -D