diff --git a/.tmux.conf.local b/.tmux.conf.local
index bd6ebcb..21eb26c 100644
--- a/.tmux.conf.local
+++ b/.tmux.conf.local
@@ -341,11 +341,11 @@ tmux_conf_copy_to_os_clipboard=false
 #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
+set -gu prefix2
+unbind C-a
+unbind C-b
+set -g prefix C-\\
+bind C-\\ send-prefix
 
 # move status line to top
 #set -g status-position top