diff --git a/.config/tmux/tmux.conf b/.config/tmux/tmux.conf
index a97683e..1d2667e 100644
--- a/.config/tmux/tmux.conf
+++ b/.config/tmux/tmux.conf
@@ -133,9 +133,12 @@ set -g mode-style bg=brightyellow,fg=black
 set -g pane-border-style bg=default,fg=brightblack
 set -g pane-active-border-style bg=default,fg=brightyellow
 
-# Display prefix when pressed
+# Display in the status bar when the prefix was pressed or `synchronize-panes`
+# is turned on
 set -g @prefix_highlight_fg 'black'
 set -g @prefix_highlight_bg 'brightyellow'
+set -g @prefix_highlight_show_sync_mode 'on'
+set -g @prefix_highlight_sync_mode_attr 'fg=black,bg=brightyellow'
 set -g status-right "#{prefix_highlight}"
 set -g status-left "#{prefix_highlight}"