diff --git a/.tmux.conf.local b/.tmux.conf.local
index 7dfed83..1d1e2a3 100644
--- a/.tmux.conf.local
+++ b/.tmux.conf.local
@@ -240,5 +240,12 @@ tmux_conf_theme_clock_style='24'
 #set -g status-keys vi
 #set -g mode-keys vi
 
+# replace C-b by C-a instead of using both prefixes
+# set -gu prefix2
+# unbind C-a
+# unbind C-b
+# set -g prefix C-a
+# bind C-a send-prefix
+
 # move status line to top
 #set -g status-position top